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

Individual provider Physician Assistant · NPI 1508843251

Steven Westerhof, PAC is a Physician Assistant in Muskegon, Michigan. Qualified in 1992, 34 years ago. Practices with Mercy Physician Network, a 110-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
34
Licensed in
MI
In the registry since
2005
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

1223 Mercy Dr
Muskegon, MI 49444-1829
Phone: (231) 672-3177
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 5601002123 (MI)

Record details

NPI number1508843251
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC
Sole proprietorNo
NPI enumeratedDecember 23, 2005
Last updated in NPPESAugust 16, 2012
Mailing addressPo Box 1848, Muskegon, MI 49443-1848

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Mercy Physician Network — 110 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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