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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mark C Baldwin, PT ASSISTANT

Physical Therapy Assistant in Vassar, MI · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1689968414

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Registry record

Entity type Individual (Type 1)
Name Mark C Baldwin
Credential PT ASSISTANT
Sex Male
Practice address Vassar, MI, 48768
Phone (509) 592-3121
Enumeration date Jun 9, 2011
Last updated in NPPES Jun 9, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2215 (ID) Primary
225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2724 (MA) Secondary
225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2334 (AR) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Mark Baldwin?
The National Provider Identifier (NPI) for Mark Baldwin is 1689968414, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Baldwin practice?
The practice location on file with NPPES is in Vassar, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-06-09.