Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William A Heisel III, MD

General Practice Physician in Fishers, IN · enumerated 2006.

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

National Provider Identifier

1508819772

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Registry record

Entity type Individual (Type 1)

Name William A Heisel III

Credential MD

Sex Male

Practice address 13100 E 136th St, Ste 1200, Fishers, IN, 46037

Phone (317) 678-3100

Fax (317) 678-3108

Enumeration date May 18, 2006

Last updated in NPPES May 23, 2025

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 01034463A (IN) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 01034463A (IN) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 01034463A (IN) Secondary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 01034463A (IN) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
100357410	Medicaid	IN	-
P00305970	Other	IN	MEDICARE RAILROAD
000000375531	Other	IN	ANTHEM

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 Heisel's NPI record?

Cross-check NPI 1508819772 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1508819772 active?

Yes, as of the latest NPPES snapshot, NPI 1508819772 is active (record last updated 2025-05-23).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-23.