Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Heidi A Knepper, LMSW

Social Worker in Whiteriver, AZ · enumerated 2011.

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

National Provider Identifier

1033495726

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Registry record

Entity type Individual (Type 1)

Name Ms. Heidi A Knepper

Credential LMSW

Sex Female

Practice address 200 West Hospital Drive, Whiteriver, AZ, 85941

Phone (928) 338-4911

Enumeration date Oct 26, 2011

Last updated in NPPES Oct 26, 2011

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 082939 (NY) 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 Heidi Knepper?

The National Provider Identifier (NPI) for Heidi Knepper is 1033495726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heidi Knepper practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-26.