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).
Learn more about Dr. Gregory Katz:
View the full profile to get information on:
- What's important to you
View full profile
- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Gregory Katz, Internist, Family Practitioner, Ophthalmologist is Excellent.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Specialties & Research
Dr. Gregory Katz, MD is board certified in Internal Medicine.
He has special expertise in 1 Area, including Glaucoma.
More Specialties & Research
Education & Awards
Dr. Katz graduated from Yeshiva University, Bronx. He has 2 awards.
Dr. Katz has 6 hospital affiliations:
- Hoag Memorial Hospital Presbyterian
- Providence Hospital and Medical Center
Accepted Insurance Plans
Dr. Katz accepts these health insurances in at least one office:
- Blue Cross Blue Shield of Michigan - 2 plans
- Humana - 3 plans
- HealthPlus of Michigan - 13 plans
- Cigna - 3 plans
- United Healthcare - 14 plans
- Blue Shield of California - 2 plans
- Great-West Healthcare - 1 plan
- CaIOPTIMA - 2 plans
- Anthem Blue Cross - 4 plans
More Accepted Insurance
Similar doctors nearby
- Additional Information
- Where does Dr. Gregory J. Katz practice?
Dr. Gregory Katz practices Internal Medicine, Family Medicine, General Practice, and Ophthalmology near Ypsilanti, MI.
Additional practice locations include: Newport Beach, CA and Livonia, MI.
See Ypsilanti Internists, Ypsilanti Family Physicians, Ypsilanti General Practitioners, and Ypsilanti Ophthalmologists.