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

John Houskamp, MD

Individual provider Internal Medicine Physician · NPI 1023063732

John Houskamp, MD is an Internal Medicine in Grand Rapids, Michigan. Graduated from University of Michigan Medical School in 1992, 34 years ago. Practices with Mary Free Bed Rehabilitation Hospital, a 132-clinician group and accepts Medicare assignment. Licensed in Michigan and Wisconsin.

Years since qualifying
34
Trained at
University of Michigan Medical School
Licensed in
MI, WI
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

235 Wealthy St SE
Grand Rapids, MI 49503-5247
Phone: (616) 840-8000
Fax: (616) 840-9642
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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 4301060345 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 50901-020 (WI)

Record details

NPI number1023063732
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESMarch 7, 2024
Certification dateMarch 7, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1992 (34 years in practice)
Group practice Mary Free Bed Rehabilitation Hospital — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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