Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Phil Marshall Peterson, LLMSW

Clinical Social Worker in Kalamazoo, MI · enumerated 2025.

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

National Provider Identifier

1275427114

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Registry record

Entity type Individual (Type 1)

Name Phil Marshall Peterson

Credential LLMSW

Sex Male

Practice address 1535 Gull Rd Ste 205, Kalamazoo, MI, 49048

Phone (269) 226-7000

Enumeration date Jun 5, 2025

Last updated in NPPES Jun 5, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6851119103 (MI) 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

What is the NPI number for Phil Peterson?

The National Provider Identifier (NPI) for Phil Peterson is 1275427114, a Type 1 (individual) record in the CMS NPPES registry.

Where does Phil Peterson practice?

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

Other providers at this practice address

Browse all →

Alison Collins Family Medicine Physician · Kalamazoo, MI NPI 1376956466 Yousef Khozmi Family Medicine Physician · Kalamazoo, MI NPI 1710617881 Lauren Donnellon Physician Assistant · Kalamazoo, MI NPI 1881400984

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-05.