Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Leonard, MD

Q: What is the NPI number for John Leonard?

The National Provider Identifier (NPI) for John Leonard is 1447255567, a Type 1 (individual) record in the CMS NPPES registry.

Vascular Surgery Physician in Longmont, CO · enumerated 2005 · practices at Longmont Clinic PC.

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

National Provider Identifier

1447255567

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Registry record

Entity type Individual (Type 1)

Name Dr. John Leonard

Credential MD

Sex Male

Practice address 1925 W Mountain View Ave, Longmont, CO, 80501

Phone (303) 776-1234

Fax (720) 494-3107

Enumeration date Jun 15, 2005

Last updated in NPPES Dec 9, 2014

Taxonomy & licenses

2086S0129X Vascular Surgery Physician Allopathic & Osteopathic Physicians · License 32896 (CO) 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
01328962	Medicaid	CO	-

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

Where does John Leonard practice?

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

What is the NPI number for John Leonard?

The National Provider Identifier (NPI) for John Leonard is 1447255567, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-12-09.