Live
Read more

Clinic Type

Internal Medicine

Address

101 Main Street, Suite 110, Medford, MA 02155

Phone

781-391-4004

Email

mghpfr@mgb.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Team

  • Nnenna O Onyemauwa — PA-C
  • Gloria Lunghar — MD
  • George M Feltin — MD

Insurance & Payment

Languages Spoken

FAQs

What is the affiliation of the provider?

The notes indicate affiliation with Mass General Brigham Primary Care Clinic.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 4.8/5 (20)
  • Healthgrades: 3.7/5 (12)
  • Healthgrades: 4.4/5 (21)
  • Healthgrades: 4.4/5 (13)
  • Mass General Brigham: 5.0/5 (93)
  • Healthgrades: 4.8/5 (11)
  • Healthgrades: 5.0/5 (12)
  • WebMD: 5.0/5 (5)

Patients praise

  • Attentive, thorough, and compassionate care from highly-rated physicians
  • Strong patient-provider relationships built over many years
  • Effective communication and explanation of complex medical information
  • Good bedside manner and feeling heard during appointments

Common complaints

  • Difficulty reaching offices by phone or scheduling appointments
  • Perceived lack of empathy or listening by certain providers
  • Long wait times and feeling rushed during visits
  • Issues with prescription refills or administrative follow-up

"Dr. Nigborowicz is excellent. You can tell that he truly cares about his patients and wants to do the best for them. He was attentive and straightforward..."

Healthgrades review

"Neha Malik is condescending and not empathetic. Keeps patients waiting and when she comes in spends maybe 1-2 mins..."

Healthgrades review

"Dr. Chang is the best primary care physician I have had in my many decades of life. She listens very carefully..."

Mass General Brigham patient review

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

Information sourced from the clinic's website as of July 11, 2026.

More internal medicine clinics in Burlington

Burlington, NJ·Internal Medicine

VerifiedOnline booking
Burlington, NC·Internal Medicine

VerifiedOnline booking
Burlington, IA·Internal Medicine

MercyOne Burlington is part of the MercyOne network, a nonprofit health system headquartered in Des Moines, IA. MercyOne provides hospital and clinical services across Iowa, with online access to medical records, test results, appointments, and health information. The organization is owned by Trinity Health and operates under Mercy Health Network (also known as MercyOne). For physician or specialty care in Burlington, you would typically: search MercyOne Burlington locations or clinics in the Des Moines metro area and surrounding IA communities, view provider directories, and book a visit or request an appointment through MercyOne’s online patient portal. If you’re specifically seeking a doctor in Burlington, you may want to check MercyOne’s Iowa locations list, contact MercyOne Burlington clinics, or use the online “Find a Doctor” feature on mercyone.org.

VerifiedSince 1998
Burlington, NC·Internal Medicine

VerifiedOnline booking
Burlington, IA·Internal Medicine

Great River Health is a nonprofit regional health system based in West Burlington, Iowa, serving southeast Iowa, west-central Illinois, and northeast Missouri. It operates Southeast Iowa Regional Medical Center (Fort Madison and West Burlington) plus Henry County Health Center (Mount Pleasant) and more than 30 clinics in Burlington, Fort Madison, Keokuk, Mediapolis, Mount Pleasant, New London, Wapello, Wayland, West Burlington, and Winfield. Internal Medicine-related capabilities likely include: - Primary care and internal medicine services across multiple clinics - Access to specialty services via affiliated hospitals and clinics - Integrated care across acute, rehabilitative, skilled, and long-term care - Comprehensive outpatient services through a network of clinics and urgent care Key specifics from the patch: - Services offered generally under the system include cardiology, general and vascular surgery, hematology, infectious diseases, mental health, nephrology, orthopedics, pediatrics, pulmonology, rheumatology, urology, weight loss, women’s health, wound & hyperbaric medicine, and more. - Locations: Burlington, Fort Madison, Keokuk, Mediapolis, Mount Pleasant, New London, Wapello, Wayland, West Burlington, Winfield. - HQ: 1221 South Gear Avenue, West Burlington, IA 52655. If you’re specifically seeking Internal Medicine services in Burlington: - Look for primary care/internal medicine physicians within the Southeast Iowa Regional Medical Center network and associated clinics in Burlington and West Burlington. - You can contact publicrelations@greatriverhealth.org or call 319-768-1000 for referrals or to confirm internal medicine availability.

VerifiedOnline bookingSince 1895
Burlington, NC·Internal Medicine

VerifiedOnline booking

See all internal medicine clinics in Burlington

Comparing your options?

See other internal medicine clinics in Burlington, or search the full directory by insurance, ratings, and more.

More Internal Medicine Clinics