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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 (2)

The overall average patient rating of Dr. J Stark is Average. Dr. Stark has been reviewed by 3 patients who have provided 2 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 2.3
Accurate Diagnosis 3.2
Bedside Manner 3.7
Spends Time with Me 2.8
Follows Up After Visit 2.3

Specialties & Research

Dr. J Stark, MD is board certified in Family Medicine.

Education & Awards

Dr. Stark graduated from New York University - Mount Sinai. He has 5 awards.

Bridges to Excellence Recognition
Diabetes Care Recognition (2015 - 2017)
Level I
Cardiac Care Recognition (2015 - 2017)
Level III
Hypertension Care Recognition (2014 - 2016)
Level III
Physician Office Systems Recognition (2015 - 2017)
Level II
NCQA Physician Practice Connections - Patient Centered Medical Home (2014 - 2017)


Dr. Stark has 5 hospital affiliations:

  • Maine Medical Center 
  • Portsmouth Regional Hospital 


  • English

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Additional Information
Dr. J Cowan Stark MD is a male Family Practitioner, has 28 years of experience and practices in Family Medicine.
Where does Dr. J C. Stark practice?
Dr. J Stark has 1 office location.
Dr. J Stark practices Family Medicine near Portsmouth, NH.
See Portsmouth Family Physicians.