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

Mr. Joseph Kenneth Postma, MD

Individual provider Internal Medicine Physician · NPI 1962790170

Mr. Joseph Kenneth Postma, MD is a Hospitalist in Zeeland, Michigan. Qualified in 2011, 15 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
15
Licensed in
MI
In the registry since
2011
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

8333 Felch St
Zeeland, MI 49464-2608
Phone: (616) 391-3139
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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 4301099039 (MI)

Record details

NPI number1962790170
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 21, 2011
Last updated in NPPESMarch 3, 2025
Certification dateMarch 3, 2025
Mailing address100 Michigan St Ne # Mc845, Grand Rapids, MI 49503-2560

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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