Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Peter Joseph Leahy, MD

Q: What is the NPI number for Peter Leahy?

The National Provider Identifier (NPI) for Peter Leahy is 1780029504, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Biochemical Genetics Physician in Oklahoma City, OK · enumerated 2013.

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

National Provider Identifier

1780029504

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Registry record

Entity type Individual (Type 1)

Name Peter Joseph Leahy

Credential MD

Sex Male

Practice address 1200 Childrens Ave Ste 5d, Oklahoma City, OK, 73104

Phone (405) 271-4211

Fax (405) 271-2263

Enumeration date May 7, 2013

Last updated in NPPES Jan 6, 2026

Taxonomy & licenses

207SG0202X Clinical Biochemical Genetics Physician Allopathic & Osteopathic Physicians · License 46538 (OK) Primary

207SG0201X Clinical Genetics (M.D.) Physician Allopathic & Osteopathic Physicians · License 036.161935 (IL) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD61684880 (WA) Secondary

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

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 Peter Leahy?

The National Provider Identifier (NPI) for Peter Leahy is 1780029504, a Type 1 (individual) record in the CMS NPPES registry.

Where does Peter Leahy practice?

The practice location on file with NPPES is in Oklahoma City, OK. 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 2026-01-06.