Browse Health
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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Gregory Williams is Good. Dr. Williams has been reviewed by 6 patients who have provided 3 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.8
Promptness 2.3
Courteous Staff 2.5
Accurate Diagnosis 2.0
Bedside Manner 2.5
Spends Time with Me 2.0
Follows Up After Visit 1.0

Specialties & Research

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

  • He has special expertise in 2 areas:
  • Cholesterol Management
  • 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 


  • Spanish
  • French

Similar doctors nearby

Dr. Lisa MacIntyre

Family Medicine
18 years experience
Merrimack, NH

Dr. Anica Naprta

Family Medicine
20 years experience
Merrimack, NH

Dr. Patrick Leong

Family Medicine
27 years experience
Merrimack, NH

Dr. William Blackwood

Family Medicine
40 years experience
Merrimack, NH

Dr. Nicola Kernan

Family Medicine
28 years experience
Merrimack, NH

Dr. Holly Drexler

Family Medicine
11 years experience
Merrimack, NH
Search All Similar Doctors
Additional Information
Dr. Gregory Randall Williams MD is a male Family Practitioner, has 21 years of experience and practices in Family Medicine.
Where does Dr. Gregory R. Williams practice?
Dr. Gregory Williams has 3 office locations.
Dr. Gregory Williams practices Family Medicine near Merrimack, NH.
Additional practice locations include: Newfields, NH.
See Merrimack Primary Care Doctors.