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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 (0)

The overall average patient rating of Dr. Mark Harrison is Excellent. Dr. Harrison has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. Mark Harrison, MD is board certified in Obstetrics & Gynecology.

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

Education & Awards

Dr. Harrison graduated from Uniformed Services University, Bethesda.


Dr. Harrison has 7 hospital affiliations:

  • Frederick Memorial Hospital 
  • Northwest Hospital Center 

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Additional Information
Dr. Mark Jan Harrison MD is a male Obstetrician & Gynecologist, has 20 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Mark J. Harrison practice?
Dr. Mark Harrison has 2 office locations.
Dr. Mark Harrison practices Obstetrics & Gynecology near Hayward, CA.
Additional practice locations include: Frederick, MD.
See Hayward Obstetricians & Gynecologists.