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About

Northeast Medical Group (NEMG) is a Yale New Haven Health System-affiliated nonprofit medical foundation based in Bridgeport, CT, with multiple Connecticut locations and a presence in Stratford and surrounding areas. It offers a broad range of services through its family medicine, internal medicine, pediatrics, and specialty practices, plus urgent care and ambulatory facilities. NEMG emphasizes access to a large health system network and affiliated hospitals (Yale New Haven Hospital, Bridgeport Hospital, Greenwich, etc.). If you’re specifically seeking a Northeast Medical Group Family Medicine option near Mystic, this page indicates NEMG operates primarily in Bridgeport, Trumbull, Stamford, Stratford, and surrounding CT locations, but does not list a Mystic address. For finding a Mystic-area family medicine physician within NEMG, you may want to search the site for “Family Medicine” locations or contact NEMG directly for the closest Mystic-adjacent clinic.

Clinic Type

Family Medicine

Address

23 Clara Drive

Phone

860-572-5782

Email

Opening Hours

Mon-Fri 8 am-5 pm

Telehealth

Offers Telehealth

Services Offered

  • Family Medicine
  • Psychiatry and Behavioral Health
  • Walk-in Care / Immediate Care
  • Urology Care
  • Minimally Invasive Surgery Techniques
  • Primary Care
  • Cardiology Heart & Vascular
  • Diabetes and Endocrinology
  • Geriatrics Care and Aging
  • Pediatrics and Children's Medicine
  • Internal Medicine

Team

  • Sungsil Cho — MD
  • Gina L. Williams — MD
  • Brian L. Williams — MD
  • Sandy Zhang — APRN, FNP

Insurance & Payment

Languages Spoken

  • English

Current Offers

Accepting New Patients

FAQs

What services are offered at Northeast Medical Group Family Medicine - Mystic?

Family Medicine, Psychiatry and Behavioral Health, and other primary care services.

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Vitals: 4.6/5 (11 ratings)
  • WebMD Care: 5/5 (14 ratings)

Patients praise

  • Compassionate and thorough care
  • Friendly and efficient office atmosphere and staff
  • Providers who listen and take time with patients

Common complaints

  • Some patients reported needing improvement in follow-up care and answering questions in specific provider instances

"I am a patient of Dr. Brian Williams and this is the doctor I've been searching for all my life. He takes his time, he LISTENS, he's genuine, gentle and understanding and has a sense of humor."

Vitals

"The entire atmosphere at Dr. Williams office is friendly and pleasant. One is greeted when approaching the receptionist as well as by any other staff members encountered. The technical assistants are friendly and efficient."

Vitals

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.

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