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

Individual provider Internal Medicine Physician · NPI 1225081490

James P Passinault, MD is a Geriatric Medicine in Grand Rapids, Michigan. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2002, 24 years ago. Practices with Advantage Health/Saint Mary's Medical Group, a 494-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
24
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MI
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

300 Lafayette SE Ste 3000
Grand Rapids, MI 49503
Phone: (616) 752-6919
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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 4301080248 (MI)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence 4301080248 (MI)

Record details

NPI number1225081490
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESOctober 15, 2013

Medicare enrollment

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

Medicare specialtyGERIATRIC MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Advantage Health/Saint Mary'S Medical Group — 494 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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