Donald Brown, M.D.
NPI 1871558197 · Hospitalist Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Brown, M.D. is a Hospitalist Physician provider in Long Beach, CA (NPI 1871558197).
Provider details
- NPI number
- 1871558197
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G60957 (CA)
Specialties & taxonomies
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
2 documented practice locations
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
Additional practice locations (1)
- 2699 Atlantic AveLong Beach, CA 90806-2710Phone: (562) 426-3333Fax: (562) 933-0148
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2025-12-06
- Certified
- 2025-12-06
Frequently asked questions
- What is Donald Brown's NPI number?
- Donald Brown's National Provider Identifier (NPI) is 1871558197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Brown's specialty?
- Donald Brown is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Brown located?
- Donald Brown's practice location on file with NPPES is 2801 Atlantic Ave, Long Beach, CA 90806-1701.
- What is Donald Brown's phone number?
- The practice phone number listed in the NPPES registry for Donald Brown is (562) 426-3333.
- Does Donald Brown accept Medicare?
- Donald Brown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Brown's NPI active?
- Yes — Donald Brown's NPI (1871558197) is active in the NPPES registry as of the last update on 2025-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.