Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Duane Eugene Lambert, MD

Hospitalist Physician in Flagstaff, AZ · enumerated 2006.

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

National Provider Identifier

1932137486

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Registry record

Entity type Individual (Type 1)

Name Duane Eugene Lambert

Credential MD

Sex Male

Practice address 1200 N Beaver St, Flagstaff, AZ, 86001

Phone (928) 214-2920

Fax (928) 214-2925

Enumeration date Jun 30, 2006

Last updated in NPPES Sep 2, 2022

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43512 (AZ) Secondary

207RG0300X Geriatric Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 43512 (AZ) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 43512 (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
036109590	Medicaid	IL	-
554778	Medicaid	AZ	-

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 Duane Lambert?

The National Provider Identifier (NPI) for Duane Lambert is 1932137486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Duane Lambert practice?

The practice location on file with NPPES is in Flagstaff, AZ. 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 2022-09-02.