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
Mailing address901 S Oakland St, Suite 204, Saint Johns, MI 48879-2200

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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