About Us
All patients must wear a mask to enter.
Only one adult family member may accompany the patient. Children are not allowed.
Do not enter if you have a fever, cough, or shortness of breath.
We do not accept Self pay and certain insurances. We do not provide second opinion.
Call 765.807.0531 if you wish to reschedule your appointment.
Interested in a virtual visit instead of an in-person office visit? Call our office today to set up an appointment:
For virtual video call (HIPAA secure):
- You will receive a text message a couple of minutes before your appointment. Open the text.
- Touch the weblink in blue color.
- It will prompt you “allow camera to share” and “allow microphone”, press ALLOW
- Press the blue button “Join video call” and wait 30-60 seconds for Dr. Mahajan to come on the video call.
Lafayette Gastroenterology diagnoses and treats common gastrointestinal conditions that involve the esophagus, stomach, intestine, colon, and liver.
We understand how uneasy some patients may feel about discussing gastrointestinal issues and their associated exams. Â It is important to us that you have an emotionally positive experience while under our care. Our entire team is dedicated to providing you with excellent, personalized care and service to make your consultation and treatment as comfortable and pleasant as possible.
#DDW2023
Dr. Mahajan attended the Digestive Disease Week 2023 held in Chicago to learn the latest developments in the field of gastroenterology so that he can offer the newest treatment options to his patients.
Our Physician
Contact Us
Please call 765.807.0531 to schedule an appointment.
Office Phone: 765.807.0531
Office Fax: 765.807.0534
Billing Questions: 765.449.2732 or 888.449.2732
Special Office Hours During CODID-19 Pandemic:
Monday: 10:30 am – 3:30 pm
Tuesday: CLOSED
Wednesday: 10:30 am – 3:30 pm
Thursday: 10:30 am – 3:30 pm
Friday: 10:30 am – 3:30 pm
Saturday hours may be available.
Patient calls are accepted 11 am – 3 pm except during the lunch hour.  The best way to reach the office staff is through the Patient Portal. For life threatening emergencies, call 911 or go to Emergency Room. Due to high volume of patient calls, please feel free to leave voicemail or send message through Patient Portal.
If you have a medical issue or concern after hours and you are an established Unity Healthcare patient, call your physician for further direction. All others, visit Unity Immediate Care Center or seek emergency medical assistance as needed at a local hospital.
Lafayette Gastroenterology is located off IN-26 between Lowe’s and Target, opposite Caterpillar.  The office is located next to Centier Bank.
Locations
5 Executive Drive, Suite B-1
Lafayette, IN 47905
Get Directions
Services
Lafayette Gastroenterology treats the following conditions:
- Colon Cancer Screening Video
- Colon Polyp
- Constipation / Diarrhea
- Crohn’s Colitis
- Gastro Esophageal Reflux Disorder
- Gastrointestinal Bleeding
- Gastrointestinal Malignancy
- Irritable Bowel Syndrome
- Liver Diseases
- Peptic Ulcer Disease
- Swallowing Disorders
For the comfort of our patients, all procedures are performed under patient sedation. Â We perform the following procedures to diagnose and treat gastroenterology conditions:
- Upper Endoscopy
- Capsule Endoscopy
- Colonoscopy
- Esophageal pH Study
- Flexible Sigmoidoscopy
- PEG Tube Placement
Patients
Thank you for choosing Lafayette Gastroenterology for your care. Â This section contains important information related to our practice.
Patient Forms
New Patients: Please complete the packet below. You can print and bring to your visit or email the documents, once completed and saved to your device, to [email protected]. Please do not hesitate to contact us if you have any questions. Â We look forward to seeing you soon.
If you are also a Unity Surgical Center patient, please fill out the following forms:
Procedure Instructions
Please read the prep instructions at least 7 days prior to your scheduled procedure. Â The directions include a list of medications which need to be stopped prior to the procedure. Â Contact our office if you have any questions.
Patient Policies
Please review these important practice guidelines.
Cancellation Policy: Please give us at least 3 business days’ notice if you are unable to make a scheduled appointment.  When you do not show up, it creates an unused appointment slot that could have been used for another patient; therefore, you will be charged $50 for a no-show.  The no-show charge must be paid by the patient and cannot be billed to insurance. If a new patient is a No-show, we will not be able to reschedule the patient for another day.
Children: In view of the ongoing pandemic, children below 18 are not allowed in the clinic unless they are a patient in our clinic.
Emergencies:Â If you have an emergency after hours or on weekends, please call our office and the answering service will connect you with the physician on call. In case of life threatening emergencies, please call 911.
Medicine Refills:Â Please call for medicine refills during office hours, at least 5 days before you run out. Medicine refills are not called in after hours. Â Patients may need an office visit prior to processing a refill. You may also obtain refills from your primary care physician.
Pain Medicines: Lafayette Gastroenterology does not prescribe chronic pain medications. You will need to contact your primary care physician for chronic pain medications.
Payment Policy:Â Payment is collected at the time of service. We will be glad to bill your insurance. However, if you have a co-payment, unmet deductible, or are responsible for a percentage of the charges, please bring a form of payment with you to your appointment. We accept cash, personal checks, MasterCard and Visa. We do not accept self-pay.
Patient Portal
Manage Your Health Online –Â Lafayette Gastroenterology is pleased to offer our patients the latest tool in personal health care management.
Follow My Health is an electronic medical record that provides you with a secure and convenient way to manage your personal health care online. This free self-service health management tool can improve interactions with your doctor’s office, document important health care information, and allow you to make more informed decisions about your own health.
Patient Forms
Thank you for choosing Lafayette Gastroenterology for your care. Â This section contains important information related to our practice.
Patient Forms
New Patients: Please complete the packet below. You can print and bring to your visit or email the documents, once completed and saved to your device, to [email protected]. Please do not hesitate to contact us if you have any questions. Â We look forward to seeing you soon.
If you are also a Unity Surgical Center patient, please fill out the following forms:
Procedure Instructions
Please read the prep instructions at least 7 days prior to your scheduled procedure. Â The directions include a list of medications which need to be stopped prior to the procedure. Â Contact our office if you have any questions.
Referring Physicians
We are happy to accept referrals from all area physicians. Â We want to make the referral process as easy as possible for you. To refer to Dr. Mahajan, please fill out and fax the Physician Referral Form to our office. Â We will contact your patient within one business day to schedule an appointment.
Office Phone: 765.807.0531
Office Fax: 765.807.0534 Â
News & Events
2022
Another Round of Successful AAAHC Accreditation for Unity Surgical Center!
Unity Surgical Center is proud to be an Accreditation Association for Ambulatory Health Care (AAAHC) certified facility. Successful AAAHC accreditation is a constant reminder to our staff that our responsibility is to our patients and the quality of care we provide. Thank you to all our hard-working staff, anesthesiologists, and dedicated surgeons who make Unity…
Read More2023
Lafayette Vein & Vascular
Lafayette Vein & Vascular joins Unity Healthcare We’re elated to have Shoaib Shafique, MD and Kate Dell, DNP, AGACNP-BC join our team. On behalf of Unity Healthcare, we would like to heartily welcome you both!
Read MoreBlog
Lafayette Vein & Vascular
Lafayette Vein & Vascular joins Unity Healthcare We’re elated to have Shoaib Shafique, MD and Kate Dell, DNP, AGACNP-BC join our team. On behalf of Unity Healthcare, we would like to heartily welcome you both!
Read MoreAnother Round of Successful AAAHC Accreditation for Unity Surgical Center!
Unity Surgical Center is proud to be an Accreditation Association for Ambulatory Health Care (AAAHC) certified facility. Successful AAAHC accreditation is a constant reminder to our staff that our responsibility is to our patients and the quality of care we provide. Thank you to all our hard-working staff, anesthesiologists, and dedicated surgeons who make Unity…
Read More10 Ways to Love Your Brain
Growing evidence indicates that people can reduce their risk of cognitive decline by adopting key lifestyle habits. When possible, combine these habits to achieve maximum benefit for the brain and body. Start now. It’s never too late or too early to incorporate healthy habits. ​Break a sweat Engage in regular cardiovascular exercise that elevates your…
Read MoreWelcome Dr. Michael Conley – InnerVision Advanced Medical Imaging Center
We are very pleased to welcome Michael Conley, MD to our network of Radiologists at InnerVision Advanced Medical Imaging Center. Dr. Conley received his Medical Degree from Indiana University School of Medicine in Indianapolis, IN. He completed his Residency at Diagnostic Radiology and Indiana University Medical Center. Dr. Conley is Board Certified for the American Board of…
Read MoreUNITY SURGICAL CENTER IS HIRING!
When you join our team, you play a vital role in the lives of our patients. Our employees have the opportunity to make a difference each and every day. Â Our dedicated workforce is committed to fulfilling our mission to provide exceptional healthcare for the people and communities we serve. Careers with Unity Surgical Center All…
Read MoreStrategies for a Healthy and Safe Holiday Season
Holiday traditions are important for families and children. By working together, we can enjoy safer holidays, travel, and protect our own health as well as the health of our family and friends. Check out these strategies for a healthy and safe holiday season.
Read MoreNAVIGATING A SAFER THANKSGIVING
NAVIGATING A SAFER THANKSGIVING Holiday traditions are important for families and children. There are several ways to enjoy holiday traditions and protect your health. Check out these protective steps to protect yourself and your family!
Read MoreOctober is Breast Cancer Awareness Month
October is Breast Cancer Awareness Month  1 in 8 women in the United States will develop breast cancer in their lifetime. Ask your doctor when you should get a mammogram. Mammograms are the best way to find breast cancer early, when it is easier to treat and before it is big enough to feel or…
Read MoreUnity Healthcare Has A New CEO – Mark McClure
Unity Healthcare’s Board of Managers have announced that Mark McClure has been named CEO of its network of over 100 general and specialty physicians and healthcare providers effective August 16, 2021. Mark brings with him more than 3o years of healthcare executive management experience. His comprehensive background in healthcare includes being the Chief Financial Officer…
Read MoreEmployment Opportunities at Unity Healthcare
When you join our team, you play a vital role in the lives of our patients. Our employees have the opportunity to make a difference each and every day. Â Our dedicated workforce is committed to fulfilling our mission to provide exceptional healthcare for the people and communities we serve. Check out the current employment opportunities…
Read MoreTami Robinson, MSN, RN – Named in Top 10 ASC Administrators To Know by Becker’s Health
Tami Robinson, MSN, RN, is the Administrator and Director of Nursing for Unity Surgical Center in Lafayette where she has served for over 20 years, and was recently named in the Top 10 ASC Administrators to Know by Becker’s Health. Her dedication and passion for serving patients is unmatched. The COVID-19 pandemic required ASC administrators to work adaptably and creatively during the past year, and Tami has exemplified the leadership quality needed during these challenging times.
Read MoreNational Kidney Month 2021
March is National Kidney Month!
We’re highlighting ways to take charge of your health and manage Chronic Kidney Disease.
Adopting a healthy lifestyle can help you manage and slow the progression of Chronic Kidney Disease and its serious health complications.
Read MoreWinter Holidays
The safest way to celebrate winter holidays is to celebrate at home with the people who live with you. Staying home is the best way to protect yourself and others.
Travel and gatherings with family and friends who do not live with you can increase your chances of getting or spreading COVID-19 or the flu.
Read MoreWhen and How to Wash Your Hands
Regular handwashing is one of the best ways to remove germs, avoid getting sick, and prevent the spread of germs to others. Whether you are at home, at work, traveling, or out in the community, find out how handwashing with soap and water can protect you and your family.
Read MoreCOVID-19 Safety Tips for Celebrating a Safer Thanksgiving
Take these protective steps to protect yourself and your family from getting or spreading COVID-19.
Read MoreUnity Surgical Center Named #1 Ambulatory Surgical Center in Indiana
Newsweek has named Unity Surgical Center the #1 Ambulatory Surgical Center in Indiana for 2021!
Read MoreWelcome Dr. Paul Rodenhouse – Lafayette Orthopaedic Clinic
Dr. Rodenhouse’s practice emphasis is helping patients in the community with their orthopedic needs including total joint replacement, trauma, and a special focus in sports medicine and arthroscopy.
Read MoreCOVID-19 Safety Tips with Dr. Wanda Estep, Medical Director
As we continue to deal with the ongoing concerns of COVID-19, our Medical Director, Dr. Wanda Estep, wants to share with you 4 easy-to-remember tips to help slow the spread of this virus.
We join our voices with the Indiana State Department of Health and our local agencies in thanking you for wearing your face masks, and helping to keep your fellow Hoosiers safe. #MaskUpHoosiers
Stay safe and check out the video!
Read MoreWelcome Dr. Ian Reed – Pickerill, Adler, Reed, & Williams Family Medicine
We are excited to welcome Ian Reed, DO to our network of Primary Care Providers at Pickerill, Adler, Reed & Williams Family Medicine.Â
Read More8 COVID-19 Safety Tips For This Fourth Of July Weekend
Fourth of July fireworks shows, cookouts and beach vacations will look very different this year. As Covid-19 cases continue to surge across the country, the issue of how to celebrate and socialize safely is top of mind for many Americans.
Read MoreSurviving Summer
If you want to make sure your day at the beach is just that — a day at the beach and not a trip to the emergency room, you’ll want to start with a good eye for warning signs of common summer bummers, including heat stroke, bee and wasp stings, and other health woes that occur more often during this season.
Read MoreUnpacking the “Back On Track Indiana” Plan
Here are the 5 Stages to get Indiana Back on Track: Stage 1 Where we are now: March 23-May 3 Stage 2 Where we are going: Beginning May 4 Stage 3 Where we are going: Beginning May 24 Stage 4 Where we are going: Beginning June 14 Stage 5 Where we are going: July 4…
Read MoreHow To Make Cloth Masks At Home
Unity Healthcare is in need of cloth masks. If you or someone you know if able to sew, please consider using your talents to support your local healthcare provider. Check out these step-by-step instructions to see how you can sew cloth masks at home.
Read MoreUnity Healthcare Has A New CEO – Tom Fuller, MBA
Unity Healthcare’s Board of Managers announced today that Tom Fuller, MBA has been named CEO of its network of over 100 general and specialty physicians and healthcare providers effective March 30, 2020.
Read More10 Ways To Manage Respiratory Symptoms At Home
If you have a fever, cough, or shortness of breath, call your healthcare provider. They may tell you to manage your care from home. Follow these tips:
Read MoreHome Care Instructions for COVID-19 (Coronavirus)
Home Care Instructions for COVID-19 (Coronavirus) The following instructions are for people who have or are being evaluated for novel coronavirus (COVID-19) and their families and caregivers. If you have or are being evaluated for COVID-19, you should follow the prevention steps below until a healthcare provider, the Indiana State Department of Health (ISDH), or…
Read MoreNew Providers
Lafayette Vein & Vascular
Lafayette Vein & Vascular joins Unity Healthcare We’re elated to have Shoaib Shafique, MD and Kate Dell, DNP, AGACNP-BC join our team. On behalf of Unity Healthcare, we would like to heartily welcome you both!
Read MoreWelcome Dr. Michael Conley – InnerVision Advanced Medical Imaging Center
We are very pleased to welcome Michael Conley, MD to our network of Radiologists at InnerVision Advanced Medical Imaging Center. Dr. Conley received his Medical Degree from Indiana University School of Medicine in Indianapolis, IN. He completed his Residency at Diagnostic Radiology and Indiana University Medical Center. Dr. Conley is Board Certified for the American Board of…
Read MoreWelcome Dr. Paul Rodenhouse – Lafayette Orthopaedic Clinic
Dr. Rodenhouse’s practice emphasis is helping patients in the community with their orthopedic needs including total joint replacement, trauma, and a special focus in sports medicine and arthroscopy.
Read MoreWelcome Dr. Ian Reed – Pickerill, Adler, Reed, & Williams Family Medicine
We are excited to welcome Ian Reed, DO to our network of Primary Care Providers at Pickerill, Adler, Reed & Williams Family Medicine.Â
Read MoreWelcome Dr. Paul Warrick, Ear Nose & Throat of Lafayette
Unity Healthcare is pleased to announce Paul Warrick, MD FACS FAAOA has joined our multi-specialty group and will start seeing patients at his new practice, Ear Nose & Throat of Lafayette in Spring 2020. Ear Nose & Throat of Lafayette is located at 3930 Mezzanine Drive, Suite D, Lafayette, IN. Dr. Warrick completed his…
Read MoreNews
Lafayette Vein & Vascular
Lafayette Vein & Vascular joins Unity Healthcare We’re elated to have Shoaib Shafique, MD and Kate Dell, DNP, AGACNP-BC join our team. On behalf of Unity Healthcare, we would like to heartily welcome you both!
Read MoreUnity Surgical Center Named #1 Ambulatory Surgical Center in Indiana
Newsweek has named Unity Surgical Center the #1 Ambulatory Surgical Center in Indiana for 2021!
Read MoreCOVID-19 Safety Tips with Dr. Wanda Estep, Medical Director
As we continue to deal with the ongoing concerns of COVID-19, our Medical Director, Dr. Wanda Estep, wants to share with you 4 easy-to-remember tips to help slow the spread of this virus.
We join our voices with the Indiana State Department of Health and our local agencies in thanking you for wearing your face masks, and helping to keep your fellow Hoosiers safe. #MaskUpHoosiers
Stay safe and check out the video!
Read MoreWelcome Dr. Paul Warrick, Ear Nose & Throat of Lafayette
Unity Healthcare is pleased to announce Paul Warrick, MD FACS FAAOA has joined our multi-specialty group and will start seeing patients at his new practice, Ear Nose & Throat of Lafayette in Spring 2020. Ear Nose & Throat of Lafayette is located at 3930 Mezzanine Drive, Suite D, Lafayette, IN. Dr. Warrick completed his…
Read MoreHappy Retirement Dr. Hagen!
Thank you Dr. Hagen for your years of service to both the community and to Unity Healthcare. We wish you the best with your retirement.
Read MorePress Releases
Lafayette Vein & Vascular
Lafayette Vein & Vascular joins Unity Healthcare We’re elated to have Shoaib Shafique, MD and Kate Dell, DNP, AGACNP-BC join our team. On behalf of Unity Healthcare, we would like to heartily welcome you both!
Read MoreAnother Round of Successful AAAHC Accreditation for Unity Surgical Center!
Unity Surgical Center is proud to be an Accreditation Association for Ambulatory Health Care (AAAHC) certified facility. Successful AAAHC accreditation is a constant reminder to our staff that our responsibility is to our patients and the quality of care we provide. Thank you to all our hard-working staff, anesthesiologists, and dedicated surgeons who make Unity…
Read MoreUnity Surgical Center Named #1 Ambulatory Surgical Center in Indiana
Newsweek has named Unity Surgical Center the #1 Ambulatory Surgical Center in Indiana for 2021!
Read MoreCOVID-19 Safety Tips with Dr. Wanda Estep, Medical Director
As we continue to deal with the ongoing concerns of COVID-19, our Medical Director, Dr. Wanda Estep, wants to share with you 4 easy-to-remember tips to help slow the spread of this virus.
We join our voices with the Indiana State Department of Health and our local agencies in thanking you for wearing your face masks, and helping to keep your fellow Hoosiers safe. #MaskUpHoosiers
Stay safe and check out the video!
Read MoreWelcome Dr. Paul Warrick, Ear Nose & Throat of Lafayette
Unity Healthcare is pleased to announce Paul Warrick, MD FACS FAAOA has joined our multi-specialty group and will start seeing patients at his new practice, Ear Nose & Throat of Lafayette in Spring 2020. Ear Nose & Throat of Lafayette is located at 3930 Mezzanine Drive, Suite D, Lafayette, IN. Dr. Warrick completed his…
Read MoreHappy Retirement Dr. Hagen!
Thank you Dr. Hagen for your years of service to both the community and to Unity Healthcare. We wish you the best with your retirement.
Read MoreLafayette Cancer Care has received re-certification by the QOPI® Certification Program LLC
January 25, 2019– Lafayette Cancer Care has received re-certification by the QOPI® Certification Program LLC, a wholly owned subsidiary of the American Society of Clinical Oncology, Inc. (ASCO®). The QOPI® Certification Program builds on ASCO’s Quality Oncology Practice Initiative (QOPI®), providing a three-year certification for outpatient hematology-oncology practices that meet nationally recognized standards for quality…
Read MoreUnity Healthcare and Franciscan Health Raised Funds For The YWCA Women’s Cancer Program
February 22, 2018, Lafayette, Indiana –Today at the YWCA, Unity Healthcare and Franciscan Health presented a check for $46,877.49 to the YWCA Greater Lafayette Women’s Cancer Program. The money was raised at the Annual Ultimate Pink Party hosted by Unity Healthcare and Franciscan Health. The event was held on October 20, 2017 at the Purdue Memorial Union…
Read MoreUncategorized
Welcome Emily Newlin, NP – Gannamaneni Gastroenterology
We are very pleased to welcome Emily Newlin, NPÂ to Gannamaneni Gastroenterology. Emily Newlin, NP, earned her Bachelor of Science in Nursing Degree from Purdue University and her Master of Science in Nursing Degree from Indiana University Kokomo. She started her career as a nurse practitioner in Family Medicine and transitioned to Gastroenterology in 2023. She…
Read MoreCancer Prevention & Screening
How to Prevent Cancer or Find It Early! National Breast and Cervical Cancer Early Detection Program (NBCCEDP) Through the NBCCEDP, CDC helps those with low incomes who do not have adequate insurance gain access to timely breast and cervical cancer screening, diagnostic, and treatment services. NBCCEDP also provides patient navigation services to help them overcome…
Read MoreAnother Round of Successful AAAHC Accreditation for Unity Surgical Center!
Unity Surgical Center is proud to be an Accreditation Association for Ambulatory Health Care (AAAHC) certified facility. Successful AAAHC accreditation is a constant reminder to our staff that our responsibility is to our patients and the quality of care we provide. Thank you to all our hard-working staff, anesthesiologists, and dedicated surgeons who make Unity…
Read MoreNOVEMBER IS NATIONAL DIABETES MONTH
Here are some tips to help you manage diabetes and build your diabetes health care team.
Read MoreDr. Carlos Gambirazio: Best of the Wabash 2022
For more than 20 years, Dr. Gambirazio and his staff have cared for adolescents, adults and seniors in the Greater Lafayette community. Originally from Peru, South America, Dr. Gambirazio speaks Spanish and English fluently. Dr. Gambirazio is committed to setting the standard for excellence in healthcare and offers preventive care services, and cares for both…
Read More10 Ways to Love Your Brain
Growing evidence indicates that people can reduce their risk of cognitive decline by adopting key lifestyle habits. When possible, combine these habits to achieve maximum benefit for the brain and body. Start now. It’s never too late or too early to incorporate healthy habits. ​Break a sweat Engage in regular cardiovascular exercise that elevates your…
Read MoreMemorial Day Safety Tips
Memorial Day Safety Tips Grilling & Fire Safety Grills and smokers, while creating delicious cookout fare, have a great potential for danger. It is very important that a lit or hot grill is never left unattended; a responsible adult should stand guard as “grillmaster” to control flames and keep children and animals away from hot…
Read MoreNational Doctors Day!
We are thankful for all the doctors who help keep our community safe and healthy. #NationalDoctorsDay
Read MoreTami Robinson, MSN, RN – Named in Top 10 ASC Administrators To Know by Becker’s Health
Tami Robinson, MSN, RN, is the Administrator and Director of Nursing for Unity Surgical Center in Lafayette where she has served for over 20 years, and was recently named in the Top 10 ASC Administrators to Know by Becker’s Health. Her dedication and passion for serving patients is unmatched. The COVID-19 pandemic required ASC administrators to work adaptably and creatively during the past year, and Tami has exemplified the leadership quality needed during these challenging times.
Read MoreDonations
