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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 (4)

The overall average patient rating of Dr. John Parker is Good. Dr. Parker has been reviewed by 4 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Specialties & Research

Dr. John Parker, MD is board certified in Obstetrics & Gynecology.

  • He has special expertise in 2 areas:
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Parker graduated from Wayne State University, Detroit.


Dr. Parker has 8 hospital affiliations:

  • Kaiser Foundation Hospital - Santa Rosa 
  • Santa Rosa Memorial Hospital 


  • English

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Additional Information
Dr. John Charles Parker MD is a male Obstetrician & Gynecologist, has 31 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. John C. Parker practice?
Dr. John Parker has 3 office locations.
Dr. John Parker practices Obstetrics & Gynecology near Benicia, CA.
Additional practice locations include: Petaluma, CA.
See Benicia Obstetricians & Gynecologists.