Brian Onbirbak, MD
NPI 1659331387 · Internal Medicine Physician · Las Vegas, NV
Brian Onbirbak, MD is a Internal Medicine Physician provider in Las Vegas, NV (NPI 1659331387).
Provider details
- NPI number
- 1659331387
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 7161 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Brian Onbirbak's NPI number?
- Brian Onbirbak's National Provider Identifier (NPI) is 1659331387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Onbirbak's specialty?
- Brian Onbirbak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Onbirbak located?
- Brian Onbirbak's practice location on file with NPPES is 2300 S Rancho Dr, Las Vegas, NV 89102-4506.
- What is Brian Onbirbak's phone number?
- The practice phone number listed in the NPPES registry for Brian Onbirbak is (702) 383-2691.
- Is Brian Onbirbak's NPI active?
- Yes — Brian Onbirbak's NPI (1659331387) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.