Northeast Medical Group

Internal Medicine • Mystic, CT • Since 2010

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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.

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Clinic Type

Internal Medicine

Address

23 Clara Drive, Mystic, CT 06355

Phone

860-572-5782

Email

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Opening Hours

Mon-Sat 8 am - 5 pm

Website

https://www.northeastmedicalgroup.org/locations/mystic-23-clara-drive-family-medicine

Telehealth

Offers Telehealth

Services Offered

Family Medicine
Internal Medicine
Psychiatry and Behavioral Health
Walk-in Care/Immediate Care
Urology care
Minimally invasive surgery techniques
Cardiology/Heart & Vascular
Diabetes and Endocrinology
Geriatrics care and aging
Pediatrics/Children's Medicine
Primary Care
Advanced Practice

Team

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

Insurance & Payment

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Languages Spoken

English
Spanish
other languages via language services (YnHHs)

FAQs

What are the clinic's hours?

Mon-Sat 8 am - 5 pm (as listed).

Photos

What Patients Say

Overall sentiment across review platforms: positive

WebMD Care (for Dr. Brian Williams): 5.0 out of 5 (14 ratings)
Vitals (for Dr. Brian Williams): 4.5 out of 5 (11 ratings)
Vitals (for Dr. Gina Williams): 4.4 out of 5 (7 ratings)

Patients praise

courteous and friendly staff
providers who listen and take time with patients
efficient and pleasant office atmosphere
competent and compassionate care

Common complaints

occasional needs improvement reported in answering questions and follow-ups in isolated patient feedback

"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. Not all doctors can be everything to every person, but this one is a keeper for me."

— Vitals review for Dr. Brian Williams

"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 review for Dr. Brian Williams

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