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

Deborah Ann Posthumus, PA

Individual provider Physician Assistant · NPI 1255339479

Deborah Ann Posthumus, PA is a Physician Assistant in Muskegon, Michigan. Licensed in Michigan. Registered with an NPI since 2005.

Licensed in
MI
In the registry since
2005
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

6207 Harvey St Ste A
Muskegon, MI 49444-7861
Phone: (231) 799-2515
Fax: (231) 799-2618
Show map & directions

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 number1255339479
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESFebruary 13, 2012

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