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

Gregory A Holzhei, DO

Individual provider Family Medicine Physician · NPI 1073585444

Gregory A Holzhei, DO is a Family Practice in Saint Johns, Michigan. Qualified in 1998, 28 years ago. Practices with Sparrow Clinton Hospital, a 23-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
28
Licensed in
MI
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

901 S Oakland St Ste 204
Saint Johns, MI 48879-2200
Phone: (989) 224-2338
Fax: (989) 224-2065
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 5101013906 (MI)

Record details

NPI number1073585444
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 1, 2006
Last updated in NPPESJanuary 9, 2012

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Sparrow Clinton Hospital — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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