Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Grabowski, MD

Individual provider Psychiatry Physician · NPI 1477517191

Dr. John Grabowski, MD is a Psychiatry in Detroit, Michigan. Graduated from Wayne State University School of Medicine in 1983, 43 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
43
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4646 John R St
Detroit, MI 48201-1916
Phone: (313) 576-4906
Fax: (313) 576-1091
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 4301048493 (MI)
Addiction Psychiatry Physician Taxonomy 2084P0802X · Licence 4301048493 (MI)

Record details

NPI number1477517191
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 12, 2006
Last updated in NPPESNovember 23, 2022
Certification dateNovember 23, 2022
Mailing addressPo Box 361038, Grosse Pointe Farms, MI 48236-5038

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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