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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Marc Jeffrey Kahn, M.D., M.B.A.

Hematology & Oncology Physician in Las Vegas, NV · enumerated 2006.

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

National Provider Identifier

1891880084

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Registry record

Entity type Individual (Type 1)
Name Dr. Marc Jeffrey Kahn
Credential M.D., M.B.A.
Sex Male
Practice address Las Vegas, NV, 89102
Enumeration date Oct 4, 2006
Last updated in NPPES Jun 15, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 10826R (LA) Secondary
207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 20133 (NV) 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
1891880084 Medicaid NV -
1993514 Medicaid LA -
V66330 Other NV MEDICARE

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 Marc Kahn?
The National Provider Identifier (NPI) for Marc Kahn is 1891880084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marc Kahn practice?
The practice location on file with NPPES is in Las Vegas, NV. 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 2022-06-15.