Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Alan Billings, MD

Anesthesiology Physician in Casper, WY · enumerated 2006.

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

National Provider Identifier

1508936360

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Registry record

Entity type Individual (Type 1)

Name Dr. John Alan Billings

Credential MD

Sex Male

Practice address 1233 E 2nd St, Wyoming Medical Center, Casper, WY, 82601

Phone (307) 577-7201

Enumeration date Nov 9, 2006

Last updated in NPPES Oct 10, 2011

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License 5088A (WY) 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
050057419	Other	WY	RAILROAD MEDICARE
307534	Other	WY	BLUE SHIELD
102775100	Medicaid	WY	-
050083481	Other	-	RAILROAD MEDICARE
305958	Other	-	BLUE SHIELD
W23470	Other	WY	MEDICARE PTAN

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

What is the NPI number for John Billings?

The National Provider Identifier (NPI) for John Billings is 1508936360, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Billings practice?

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

Other providers at this practice address

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