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

Individual provider Internal Medicine Physician · NPI 1013379361

John Gietzen, MD is a Hospitalist in Detroit, Michigan. Graduated from Wayne State University School of Medicine in 2016, 10 years ago. Practices with Henry Ford Health System, a 2,540-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
10
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2016
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

2799 W Grand Blvd
Detroit, MI 48202-2608
Phone: (313) 916-2600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301500437 (MI)

Record details

NPI number1013379361
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 25, 2016
Last updated in NPPESJanuary 7, 2020
Certification dateJanuary 7, 2020

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Henry Ford Health System — 2540 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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