Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Louis Pistel, D.O.

Orthopaedic Surgery Physician in Modesto, CA · enumerated 2006.

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

National Provider Identifier

1518979418

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Registry record

Entity type Individual (Type 1)

Name Dr. William Louis Pistel

Credential D.O.

Sex Male

Practice address 609 E Orangeburg Ave, Suite 201, Modesto, CA, 95350

Phone (209) 572-3224

Fax (209) 572-4528

Enumeration date Aug 12, 2006

Last updated in NPPES Mar 21, 2013

Taxonomy & licenses

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 20A7594 (CA) Secondary

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 20A7594 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
020A7594	Medicaid	CA	-

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 Pistel's NPI record?

Cross-check NPI 1518979418 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1518979418 active?

Yes, as of the latest NPPES snapshot, NPI 1518979418 is active (record last updated 2013-03-21).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-21.