Warren Brown, M.D.
NPI 1083776322 · Internal Medicine Physician · Pasadena, CA
Warren Brown, M.D. is a Internal Medicine Physician provider in Pasadena, CA (NPI 1083776322).
Provider details
- NPI number
- 1083776322
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A70884 (CA)
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
19 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
- 2006-12-14
- Last updated
- 2024-09-12
- Certified
- 2024-09-12
Frequently asked questions
- What is Warren Brown's NPI number?
- Warren Brown's National Provider Identifier (NPI) is 1083776322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Brown's specialty?
- Warren Brown is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Brown located?
- Warren Brown's practice location on file with NPPES is 180 N Oakland Ave, Pasadena, CA 91101-1714.
- What is Warren Brown's phone number?
- The practice phone number listed in the NPPES registry for Warren Brown is (626) 355-8595.
- Is Warren Brown's NPI active?
- Yes — Warren Brown's NPI (1083776322) is active in the NPPES registry as of the last update on 2024-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.