Paul Brown, M.D.
NPI 1437361789 · Psychiatry Physician · Diamond Bar, CA
Paul Brown, M.D. is a Psychiatry Physician provider in Diamond Bar, CA (NPI 1437361789).
Provider details
- NPI number
- 1437361789
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A26502 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 77 | — |
| Alprazolam | 63 | 15 |
| Lamotrigine | 54 | 11 |
| Bupropion Hclbrand: Bupropion Xl | 51 | — |
| Sertraline Hcl | 49 | — |
| Escitalopram Oxalate | 45 | — |
| Quetiapine Fumarate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2025-09-11
Frequently asked questions
- What is Paul Brown's NPI number?
- Paul Brown's National Provider Identifier (NPI) is 1437361789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Brown's specialty?
- Paul Brown is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Brown located?
- Paul Brown's practice location on file with NPPES is 750 N Diamond Bar Blvd, Diamond Bar, CA 91765-1023.
- What is Paul Brown's phone number?
- The practice phone number listed in the NPPES registry for Paul Brown is (909) 861-4663.
- Is Paul Brown's NPI active?
- Yes — Paul Brown's NPI (1437361789) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.