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About

Northeast Medical Group (NEMG) is a nonprofit medical foundation affiliated with Yale New Haven Health System, offering a range of services through more than 130 community practices across Connecticut, Rhode Island, and Westchester County, NY. NEMG provides family medicine, internal medicine, pediatrics, and other specialties, with ambulatory care supported by Yale New Haven Health resources and partner hospitals (Yale New Haven Hospital, Bridgeport Hospital, Greenwich Hospital, Lawrence + Memorial, Westerly). Headquartered in Bridgeport, CT (226 Mill Hill Ave, Bridgeport, CT 06610), NEMG also operates four offices including Trumbull and Stamford, and has a presence in Guilford through affiliated physicians and services. For specifics on the Guilford location or related family medicine services, visit northeastmedicalgroup.org.

Clinic Type

Family Medicine

Address

652 Boston Post Road, Guilford, CT 06437

Phone

203-453-0677

Email

Opening Hours

Mon-Sat 8 am - 5 pm

Telehealth

Offers Telehealth

Services Offered

  • Primary care
  • Family medicine
  • Women's health care
  • School and summer camp examinations
  • Preventive health management
  • Pediatrics
  • Immunizations
  • Pediatrics-children's medicine

Team

  • Rita R. Amendola — APRN
  • Diane M. Donohue — APRN
  • Sarah Gerritz — MD
  • Jorge Gutierrez — DO
  • Marina R. Ionita — MD
  • Bora Park — DO
  • Jennifer Rockfeld — MD

Insurance & Payment

Languages Spoken

  • English

FAQs

What are the hours of operation?

Mon-Sat 8 am - 5 pm (Tue–Sat as listed; see schedule for variations).

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • WebMD Care: 5.0/5 (based on 14 ratings) (14)
  • Vitals: 4.8/5 (based on 10 ratings) (10)
  • Healthgrades: 5.0/5 (based on 7 reviews) (7)

Patients praise

  • Compassionate and thorough care
  • Physicians are good listeners who do not rush appointments
  • Helpful and friendly office staff (in specific instances)
  • Comprehensive approach to medical treatment

Common complaints

  • Concerns regarding office management (ProHealth)
  • Reports of staff turnover/doctors leaving practices

"She listens and takes care of everything."

Vitals review regarding Dr. Sarah Gerritz

"Dr. Kim is an excellent listener. Never rushes and always has time to answer all your questions. He is working with you, trying to find the actual root cause of your issue."

Healthgrades review regarding Dr. Edmund Kim

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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