Browse specialties
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
See all specialties A-Z
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
Welcome to Zocdoc!
Book local doctors who take your insurance
Sign up
For providers
Grow your practice
For patients
Zocdoc
HomeAbout usPressCareersHelp
Contact
service@zocdoc.com855-962-3621
Discover
The Paper Gown: Stories for and about patientsThe Script: Insights for doctorsCommunity StandardsData and privacyVerified reviewsTech BlogNew
Are you a top doctor or health service?
Try Zo, your AI Phone AssistantList your practice on ZocdocLearn about Zocdoc for Health SystemsBecome an EHR partner
Insurance Carriers
Top Specialties
HelpList your practice on Zocdoc
Sign up

Find an in-network doctor from over 1,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
151 verified providers in your area
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
All providers
Availability last updated 04/25/2026
Availability last updated 04/25/2026

Dr. John Loughnane, MD

Primary Care Doctor (Virtual)
New Ashford, MA
Accepts Medicare, UnitedHealthcare + 8 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in chronic high blood pressure ·
Read bio
John Loughnane, MD serves as Gather Health Chief Medical Officer. He served as the Director and Chief of Innovation at Commonwealth Care Alliance (CCA) and Winter Street Ventures (WSV). A nationally recognized thought leader in the care of dual-eligible patients, his work is focused on improving th...Click to read more
Other providers
Availability last updated 04/25/2026
Availability last updated 04/25/2026

Randall Pellish, MD

Gastroenterologist
5264 mi · Lahey Hospital and Medical Center, Burlington, MA 01805
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · Offers video visits · Expertise in colonoscopy + 4 more ·
Read bio
Randall Pellish, MD is a Gastroenterologist in Burlington, MA and Worcester, MA. Randall Pellish was board certified by American Board of Gastroenterology Certification in Gastroenterology. Their offices are located in Lahey Hospital and Medical Center, Burlington, MA, 41 Burlington Mall Rd, Burling...Click to read more

Prakash Rau, MD

Gastroenterologist
5264 mi · 1681 Washington St, Braintree, MA 02184
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in irritable bowel syndrome (ibs) + 9 more ·
Read bio
Prakash Rau, MD is a Gastroenterologist in Braintree, MA. They completed their residency at Lemuel Shattuck Hospital. They attended medical school at Stanley Medical College in 1972. Prakash Rau was board certified by American Board of Internal Medicine Certification in Internal Medicine and America...Click to read more

Brian Gill, MD

Gastroenterologist
5264 mi · 1085 Main St, S Weymouth, MA 02190
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 20 years of experience · Offers video visits · Expertise in irritable bowel syndrome (ibs) + 1 more ·
Read bio
Brian Gill, MD is a Gastroenterologist in Plymouth, MA, Weymouth, MA and Norwell, MA. They attended medical school at Boston University School Of Medicine in 2006. Brian Gill was board certified by American Board of Gastroenterology Certification in Gastroenterology. Their offices are located in 47 ...Click to read more

Gregory Bolduc, MD

Gastroenterologist
5264 mi · 1085 Main St, S Weymouth, MA 02190
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acid reflux + 4 more ·
Read bio
Gregory Bolduc, MD is a Gastroenterologist in Weymouth, MA, Norwell, MA and S Weymouth, MA. They completed their residency at New England Medical Ctr Hosps. They attended medical school at Suny Upstate Medical University in 1991. Gregory Bolduc was board certified by American Board of Internal Medi...Click to read more

Michael Demarkles, MD

Gastroenterologist
5264 mi · 147 S Main St, Middleton, MA 01949
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in upper gi endoscopy + 1 more ·
Read bio
Michael Demarkles, MD is a Gastroenterologist in Wenham, MA, Middleton, MA and Beverly, MA. They completed their residency at Walter Reed Army Medical Center in 1992. They attended medical school at Tufts University School Of Medicine in 1985. Michael Demarkles was board certified by American Board ...Click to read more

James Andreson, MD

Gastroenterologist
5264 mi · 131 Old Road To 9 Acre Cor, 530, Concord, MA 01742
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in colonoscopy + 6 more ·
Read bio
James Andreson, MD is a Gastroenterologist in Concord, MA. They completed their residency at Deaconess Hospital. They attended medical school at Columbia University College Of Physicians And Surgeons in 1975. James Andreson was board certified by American Board of Internal Medicine Certification in ...Click to read more

Robert Kelliher, MD

Internist
5264 mi · 844 Main St, Walpole, MA 02081
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Expertise in atrial fibrillation and atrial flutter + 9 more ·
Read bio
Robert Kelliher, MD is a Internist in Walpole, MA. They completed their residency at Vet Affairs Medical Center. They attended medical school at Boston University School Of Medicine in 1982. Robert Kelliher was board certified by American Board of Internal Medicine Certification in Internal Medicine...Click to read more

Annie Chemmanur, MD

Gastroenterologist
5264 mi · 43 Lincoln St, Framingham, MA 01702
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute gastrointestinal bleeding + 4 more ·
Read bio
Annie Chemmanur, MD is a Gastroenterologist in Ayer, MA, Worcester, MA and Framingham, MA. They attended medical school at V.S.S. Medical College in 1994. They completed their residency at University Of Ct School Of Medicine. Their offices are located in 190 Groton Rd 290, Ayer, MA, 123 Summer St, W...Click to read more

Khalid Aziz, MD

Gastroenterologist
5264 mi · 43 Lincoln St, Framingham, MA 01702
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute gastrointestinal bleeding + 6 more ·
Read bio
Khalid Aziz, MD is a Gastroenterologist in Southbridge, MA and Framingham, MA. They completed their residency at Hartford Hospital. They attended medical school at Khyber Medical College in 1977. Their offices are located in 100 South St 101, Southbridge, MA and 43 Lincoln St, Framingham, MA.Click to read more

Andrew Stone, MD

Gastroenterologist
5264 mi · 130 Quincy Ave, Brockton, MA 02302
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in upper gi endoscopy + 5 more ·
Read bio
Andrew Stone, MD is a Gastroenterologist in Taunton, MA and Brockton, MA. They attended medical school at SuNew York At Buffalo School Of Medical & Biomedical Sci in 2000. They completed their residency at Mary Hitchcock Mem Hospital. Andrew Stone was board certified by American Board of Gastroenter...Click to read more

Kurt Slye, MD

Gastroenterologist
5264 mi · 189 Quincy St, Brockton, MA 02302
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in irritable bowel syndrome (ibs) + 5 more ·
Read bio
Kurt Slye, MD is a Gastroenterologist in Brockton, MA, West Bridgewater, MA and Middleboro, MA. They attended medical school at University Of Virginia School Of Medicine in 1993. They completed their residency at Rhode Island Hosp-Lifespan. Their offices are located in 189 Quincy St, Brockton, MA, 1...Click to read more

Howard Salomons, MD

Gastroenterologist
5264 mi · 189 Quincy St, Brockton, MA 02302
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in acute gastrointestinal bleeding + 5 more ·
Read bio
Howard Salomons, MD is a Gastroenterologist in Middleboro, MA, Brockton, MA and Taunton, MA. They completed their residency at Boston City Hospital. They attended medical school at Baylor College Of Medicine in 1988. Howard Salomons was board certified by American Board of Gastroenterology Certifica...Click to read more

Jerry Stern, MD

Gastroenterologist
5264 mi · 189 Quincy St, Brockton, MA 02302
Accepting new patients · 25+ years of experience ·
Read bio
Jerry Stern, MD is a Gastroenterologist in Brockton, MA. They attended medical school at New York University School Of Medicine in 1978. They completed their residency at Boston City Hospital. Jerry Stern was board certified by American Board of Internal Medicine Certification in Internal Medicine a...Click to read more

Prithvi Sreenivasan, MD

Gastroenterologist
5264 mi · 189 Quincy St, Brockton, MA 02302
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 24 years of experience · Offers video visits · Expertise in chronic inflammatory bowel disease (ibd) + 5 more ·
Read bio
Prithvi Sreenivasan, MD is a Gastroenterologist in East Bridgewater, MA, Taunton, MA and Brockton, MA. They completed their residency at Hosp Of St Raphael. They attended medical school at M.S. Ramaiah Medical College in 2002. Their offices are located in 1 Compass Way 203, East Bridgewater, MA, 35 ...Click to read more

Gail Herzig, MD

Gastroenterologist
5264 mi · 45 Discovery Way, B, Acton, MA 01720
Accepts Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in upper gi endoscopy + 5 more ·
Read bio
Gail Herzig, MD is a Gastroenterologist in Concord, MA and Acton, MA. They attended medical school at AlbaNew York Medical College in 1988. They completed their residency at Deaconess Hospital. Their offices are located in 133 Old Road To 9 Acre Cor, Concord, MA, 45 Discovery Way B, Acton, MA and 45...Click to read more

Peter Krims, MD

Gastroenterologist
5264 mi · 45 Discovery Way, B, Acton, MA 01720
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in upper gi endoscopy + 9 more ·
Read bio
Peter Krims, MD is a Gastroenterologist in Concord, MA and Acton, MA. They completed their residency at Boston City Hospital. They attended medical school at Boston University School Of Medicine in 1982. Peter Krims was board certified by American Board of Internal Medicine Certification in Internal...Click to read more

Dmitry Finkelberg, MD

Gastroenterologist
5264 mi · 28 Newton St, Southborough, MA 01772
Accepts Aetna, Cigna, UnitedHealthcare + 3 more
Accepting new patients · Offers video visits · Expertise in irritable bowel syndrome (ibs) + 6 more ·
Read bio
Dmitry Finkelberg, MD is a Gastroenterologist in Worcester, MA, Milford, MA and Marlborough, MA. Their offices are located in 55 Lake Ave N, Worcester, MA, 215 West St, Milford, MA and 157 Union St, Marlborough, MA.Click to read more

Thomas Fazio, MD

Gastroenterologist
5264 mi · 500 Merrimack St, Lawrence, MA 01843
Accepting new patients · 25+ years of experience ·
Read bio
Thomas Fazio, MD is a Gastroenterologist in Lawrence, MA. They completed their residency at U Hosp-Suny Hlth Sci Center. They attended medical school at Suny Upstate Medical University in 1973. Thomas Fazio was board certified by American Board of Internal Medicine Certification in Internal Medicin...Click to read more
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Great experience! Now seeing this doctor for routine foot care. Thank you Zocdoc!
Trefalyn M L
Made my life so much easier. As someone with chronic health conditions, Zocdoc makes it easy for me to build my medical team and keep track of everything!!
Rachel C
I checked out Zocdoc’s website and was pleasantly surprised. I read a lot of positive reviews from most of their providers...My only regret is that I didn’t make an appointment sooner.
Felicia P
NPR
New York Times
Yahoo
Self
Verge
Wall Street Journal
Frequently asked questions

How can I make a same-day appointment with a Gastroenterologist in Boston, MA?

On average, patients who use Zocdoc can search for a Gastroenterologist in Boston, MA, book an appointment, and see the Gastroenterologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Gastroenterologists in Boston, MA who accept your insurance and make an appointment online.

How can I find a Boston, MA Gastroenterologist who takes my insurance?

Zocdoc lets you search specifically for a Boston, MA Gastroenterologist who takes your insurance. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.

How can I book an appointment online with a Gastroenterologist in Boston, MA?

Zocdoc is a free online service that helps patients find Gastroenterologists in Boston, MA and book appointments instantly. You can search for Boston, MA Gastroenterologists by symptom or visit reason. Then, choose your insurance plan. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.

How can I find a female Gastroenterologist in Boston, MA?

When you search for Boston, MA Gastroenterologists on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Gastroenterologists in Boston, MA who match your preferences.

How can I find a Boston, MA Gastroenterologist who sees patients after hours?

On Zocdoc, you can search specifically for Boston, MA Gastroenterologists with availability after 5 p.m.

How can I find a top-rated Gastroenterologist in Boston, MA?

You can use Zocdoc to find Gastroenterologists in Boston, MA who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.

How can I find a video visit with a Gastroenterologist online in Boston, MA?

Gastroenterologists in Boston, MA on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Gastroenterologists who offer video visits.

Are video visits with a Gastroenterologist online covered by my insurance?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Gastroenterologists in Boston, MA who accept your insurance for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.

How can I find a Gastroenterologist in Boston, MA who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Gastroenterologist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.

How can I find a Gastroenterologist in Boston, MA who sees patients during the weekend?

Zocdoc let's you see real-time availability for Gastroenterologists in Boston, MA. Many Gastroenterologists offer appointments on Saturdays and Sundays.

Zocdoc›Gastroenterologists›Diverticulitis Treatment Boston MA