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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. Gary Katz is Excellent. Dr. Katz has been reviewed by 21 patients who have provided 4 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.7
Courteous Staff 4.8
Accurate Diagnosis 4.8
Bedside Manner 4.9
Spends Time with Me 4.6
Follows Up After Visit 4.9

Specialties & Research

  • He has special expertise in 2 areas:
  • Gastric Bypass (Gastrojejunostomy)
  • Weight Loss Surgery (Bariatric Surgery)

Education & Awards

Dr. Katz graduated from Des Moines University. He has 3 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2014 - 2015)
On-Time Doctor Award (2015)


Dr. Katz has 11 hospital affiliations:

  • Henry Ford Macomb Hospitals 
  • St. John Hospital & Medical Center 


  • English

> > > > Dr. Gary Katz, DO, MD

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Additional Information
Dr. Gary R Katz DO and MD is a male Surgeon, has 21 years of experience and practices in Surgery.
Where does Dr. Gary R. Katz practice?
Dr. Gary Katz has 1 office location.
Dr. Gary Katz practices Surgery near Madison Heights, MI.
See Madison Heights Surgeons.