NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William R Polhamus, P.A.

Physician Assistant in Midlothian, VA · enumerated 2006.

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

National Provider Identifier

1629011226

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Registry record

Entity type Individual (Type 1)
Name William R Polhamus
Credential P.A.
Sex Male
Practice address 13710 St Francis Blvd, Midlothian, VA, 23114
Enumeration date Jun 13, 2006
Last updated in NPPES Sep 8, 2025

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0110001563 (VA) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0110001563 (VA) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier Type State Issuer
0536798 Other VA AETNA HMO
287174 Other VA SOUTHERN HEALTH
540885859 Other VA CIGNA
540885859 Other VA CORVEL
008947104 Medicaid VA -
540885859 Other VA C&O EMPLOYEE'S HEALTHCARE
540885859 Other VA FIRST HEALTH/CCN
0900325 Other VA UNITED HEALTHCARE
31213 Other VA SH CARENET
540885859 Other VA MULTIPLAN
100679 Other VA ANTHEM HEALTHKEEPERS
540885859 Other VA PRIVATE HEALTHCARE SYSTEM
540885859 Other VA FOCUS
540885859 Other VA COMPMANAGEMENT
540885859 Other VA VIRGINIA HEALTH NETWORK
P00011038 Other VA RAILROAD MEDICARE

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

How do I verify William Polhamus's NPI record?
Cross-check NPI 1629011226 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1629011226 active?
Yes, as of the latest NPPES snapshot, NPI 1629011226 is active (record last updated 2025-09-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-08.