Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Roger Holowach

Physician Assistant in Petoskey, MI · enumerated 2026.

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

National Provider Identifier

1902748411

Verified

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Registry record

Entity type Individual (Type 1)

Name Roger Holowach

Sex Male

Practice address 516 Kalamazoo Ave, Petoskey, MI, 49770

Phone (231) 340-4945

Enumeration date Apr 6, 2026

Last updated in NPPES Apr 6, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Roger Holowach practice?

The practice location on file with NPPES is in Petoskey, MI. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Roger Holowach?

The National Provider Identifier (NPI) for Roger Holowach is 1902748411, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-06.