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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 (3)

The overall average patient rating of Dr. Harold Portnoy is Excellent. Dr. Portnoy has been reviewed by 14 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 5.0
Courteous Staff 4.2
Accurate Diagnosis 4.2
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 4.4

Specialties & Research

Dr. Harold Portnoy, FACS, MD is board certified in Neurological Surgery.

  • He has special expertise in 3 areas:
  • Cancer
  • Hydrocephalus
  • Neurosurgery

Education & Awards

Dr. Portnoy graduated from Wayne State University, Detroit. He has 1 awards.

One of America's Leading Experts on:


Dr. Portnoy has 6 hospital affiliations:

  • St. Joseph Mercy Oakland 
  • Crittenton Hospital Medical Center 

> > > > Dr. Harold Portnoy, FACS, MD

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Additional Information
Dr. Harold David Portnoy FACS and MD is a male Neurosurgeon and practices in Neurological Surgery.
Where does Dr. Harold D. Portnoy practice?
Dr. Harold Portnoy has 2 office locations.
Dr. Harold Portnoy practices Neurological Surgery near Pontiac, MI.
Additional practice locations include: Southfield, MI.
See Pontiac Surgeons.