Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. James Gordon Leiferman, MD

Pediatrics Physician in Yuma, AZ · enumerated 2005.

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

National Provider Identifier

1255339859

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Registry record

Entity type Individual (Type 1)

Name Dr. James Gordon Leiferman

Credential MD

Sex Male

Practice address 2400 S Avenue A, Professional Services Group, Yuma, AZ, 85364

Phone (928) 336-3035

Fax (928) 336-7776

Enumeration date Jul 8, 2005

Last updated in NPPES Jan 2, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 20527 (AZ) 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
4643028	Other	-	AETNA
AZ02350870	Other	-	BC/BS
121351	Other	-	HEALTH NET

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

Is NPI 1255339859 active?

Yes, as of the latest NPPES snapshot, NPI 1255339859 is active (record last updated 2025-01-02).

How do I verify James Leiferman's NPI record?

Cross-check NPI 1255339859 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-02.