Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brian Behnam Onbirbak, MD

Internal Medicine Physician in Las Vegas, NV · enumerated 2006 · practices at University Medical Center of Southern Nevada.

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

National Provider Identifier

1659331387

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Registry record

Entity type Individual (Type 1)

Name Brian Behnam Onbirbak

Credential MD

Sex Male

Practice address 2300 S Rancho Dr, Las Vegas, NV, 89102

Phone (702) 383-2691

Fax (402) 388-4114

Enumeration date Mar 25, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 7161 (NV) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 25730 (AZ) Secondary

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
12-02877/001102877	Medicaid	NV	-

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 Brian Onbirbak practice?

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

What is the NPI number for Brian Onbirbak?

The National Provider Identifier (NPI) for Brian Onbirbak is 1659331387, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.