> > > > Dr. Gregory Williams, MD
Dr. Gregory Randall Williams MD is a male Family Practitioner, has 20 years of experience and practices in Family Medicine, Internal Medicine, and Infectious Disease.
Video profile
Dr. Gregory Williams has 3 office locations.
382 Dw Hwy
Merrimack, NH 03054

Phone Number
Locations and availability (3)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Gregory Williams:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

  • Currently 2.5 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Gregory Williams is Good. Dr. Williams has been reviewed by 5 patients who have provided 3 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.8
  • Currently 2.75 of 4 stars
Promptness 2.3
  • Currently 2.3333333333333 of 4 stars
Courteous Staff 2.5
  • Currently 2.5 of 4 stars
Accurate Diagnosis 2.0
  • Currently 2 of 4 stars
Bedside Manner 2.5
  • Currently 2.5 of 4 stars
Spends Time with Me 2.0
  • Currently 2 of 4 stars
Follows Up After Visit 1.0
  • Currently 1 of 4 stars

Specialties & Research

Dr. Gregory Williams, MD is board certified in Family Medicine.

  • He has special expertise in 1 area:
  • Psychiatry

Education & Awards

Dr. Williams graduated from Medical College of Wisconsin, Milwaukee.


Dr. Williams has 8 hospital affiliations:

  • St. Vincent's Hospital 
  • Lowell General Hospital 

Accepted Insurance Plans

Dr. Williams accepts these health insurances in at least one office:

  • Tufts Health Plans - 6 plans
  • United Healthcare - 17 plans
  • Cigna - 44 plans
  • Humana - 6 plans
  • Great-West Healthcare - 2 plans
  • Medicare - 1 plan
  • USA H & W Network - 1 plan


  • French
  • Spanish

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Additional Information
Where does Dr. Gregory R. Williams practice?
Dr. Gregory Williams practices Family Medicine, Internal Medicine, and Infectious Disease near Merrimack, NH.
Additional practice locations include: Newfields, NH.
See Merrimack Family Physicians, Merrimack Internists, and Merrimack Infectious Disease Doctors.