Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephen E. Mainini, MD

Pulmonary Disease Physician in Cody, WY · enumerated 2006.

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

National Provider Identifier

1336242114

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Registry record

Entity type Individual (Type 1)

Name Stephen E. Mainini

Credential MD

Sex Male

Practice address 707 Sheridan Ave, Cody, WY, 82414

Phone (307) 527-7501

Enumeration date Sep 6, 2006

Last updated in NPPES Oct 5, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 5225A (WY) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 5225A (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
0116376	Other	MT	MT MDCD PIN
314481	Other	WY	WYOMING BCBS
925161030920	Other	WY	PREFERRED ONE PIN
108527100	Other	WY	WY MDCD PIN
314478	Other	WY	BCBS PIN

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 Stephen Mainini?

The National Provider Identifier (NPI) for Stephen Mainini is 1336242114, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephen Mainini practice?

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

Other providers at this practice address

Browse all →

Gregory Cross Diagnostic Radiology Physician · Cody, WY NPI 1013900547 Yellowstone Radiology PC Diagnostic Radiology Physician · Cody, WY NPI 1376536763 West Park Hospital District Critical Access Hospital · Cody, WY NPI 1558351536 West Park Hospital District Durable Medical Equipment & Medical Supplies · Cody, WY NPI 1467442459 Cody Regional Health Ems Land Ambulance · Cody, WY NPI 1366432197 West Park Hospital District Critical Access Hospital · Cody, WY NPI 1942290549 Spirit Mountain Hospice Community Based Hospice Care Agency · Cody, WY NPI 1952372278 Tanya Schnell Anesthesiology Physician · Cody, WY NPI 1427029800

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-05.