1. Home
  2. Directory
  3. Nevada
  4. Las Vegas
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

BRIAN BEHNAM ONBIRBAK MD
NPI 1659331387
Internal Medicine in Las Vegas, NV

Active since March 25, 2006
2300 S RANCHO DR, LAS VEGAS, NV 89102(702) 383-2691(402) 388-4114 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Brian Behnam Onbirbak Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRIAN BEHNAM ONBIRBAK MD (NPI 1659331387) is an individual internal medicine provider in Las Vegas, Nevada, licensed in Nevada (7161) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1659331387
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBRIAN BEHNAM ONBIRBAKCredential: MD
Location Address2300 S RANCHO DRLas Vegas, NV 89102-4506
Mailing Address1995 Alcova Ridge DrLas Vegas, NV 89135-1551 · (702) 383-2691 · Fax (702) 388-4114
Phone(702) 383-2691
Fax(402) 388-4114
Sole ProprietorNo
Enumeration DateMarch 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1659331387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NV · 7161✔ Licensed in AZ · 25730
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2300 S RANCHO DR, Las Vegas, NV 89102
Open in Google Maps ↗

Other Identifiers 1

Medicaid12-02877/001102877NV

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DENNIS KEITH FULLER PHARMD
Pharmacist (Pharmacotherapy)
2300 S RANCHO DR, 205
LAS VEGAS, NV 89102
Clark County (702) 383-2691
UNIVERSITY MEDICAL CENTER OF SOUTHERN NEVADA
Pharmacy (Clinic Pharmacy)
2300 S RANCHO DR, SUITE 205
LAS VEGAS, NV 89102
Clark County (702) 383-2769

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brian Onbirbak's NPI number?

The NPI number for Brian Onbirbak is 1659331387. It was assigned to this individual provider in the NPPES registry on March 25, 2006.

Where is Brian Onbirbak located?

Brian Onbirbak practices at 2300 S Rancho Dr, Las Vegas, NV 89102. The listed phone number is (702) 383-2691.

What is Brian Onbirbak's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Brian Onbirbak was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.