Gastroenterologist in Narragansett, RI

Gastroenterology • Narragansett, RI • 1 location in Narragansett locations

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About

Gastrointestinal Medicine Associates in Narragansett, RI offers gastroenterology consultations and digestive health services. Located at 360 Kingstown Road, Suite 202, the practice is open Monday through Thursday from 8:00 AM to 5:00 PM and Friday from 8:00 AM to 4:00 PM.

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Clinic Type

Gastroenterology

Address

360 Kingstown Road, Suite 202, Narragansett, RI 02882

Phone

401-789-1860

Email

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Opening Hours

Monday – Thursday 8:00 AM – 5:00 PM; Friday 8:00 AM – 4:00 PM

Website

https://gialliance.com/gastrointestinal-medicine-rhode-island-narragansett/

Emergency Care

If you are experiencing a medical emergency, please call 9-1-1.

Services Offered

Gastroenterology
Gastroenterology consultations
Gastroenterology care
Digestive health services

Team

Robert Bierwirth, M.D., M.D. — Gastroenterologist
Morris Elevado, M.D., M.D. — Gastroenterologist
Thomas McGreen, M.D., M.D. — Gastroenterologist
Robert Wolfgang, D.O., D.O. — Gastroenterologist
Colin Woodard, D.O., D.O. — Gastroenterologist
Lauren Gallagher, A.P.R.N., M.S.N., C.N.P.-B.C., A.P.R.N., M.S.N., C.N.P.-B.C. — Advanced Practice Registered Nurse / Nurse Practitioner
Raejean Elizabeth Sparrow, N.P., N.P. — Nurse Practitioner

Insurance & Payment

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Languages Spoken

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FAQs

What are the office hours?

Monday – Thursday 8:00 AM – 5:00 PM; Friday 8:00 AM – 4:00 PM.

Request An Appointment

This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Vitals (Dr. Robert Wolfgang): 4.7 out of 5 stars (16 ratings)
Birdeye (Dr. Robert J. Bierwirth): 4.8 out of 5 stars (55 reviews)
WebMD (Dr. Thomas McGreen): 4.5 out of 5 stars (23 ratings)

Patients praise

professional and courteous staff
thorough explanations from doctors
knowledgeable providers
doctors who take time with patients

Common complaints

rudeness and lack of compassion reported in isolated patient reviews

"I've been a patient of Dr. Wolfgang for a couple years. He's extremely knowledgeable and explains everything in great detail. I never feel rushed at appointments."

— Vitals patient review for Dr. Robert Wolfgang

"All the staff was extremely nice and explained everything thoroughly during every step of the process."

— Birdeye review for Dr. Robert J. Bierwirth

"My first time having a procedure, Dr. McGreen put me at ease and explained the findings after the examination in the recovery room."

— WebMD patient review for Dr. Thomas McGreen

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].