Donald Barr, M.D., PH.D., M.S.
NPI 1912155086 · Emergency Medicine Physician · Palo Alto, CA
Donald Barr, M.D., PH.D., M.S. is a Emergency Medicine Physician provider in Palo Alto, CA (NPI 1912155086).
Provider details
- NPI number
- 1912155086
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D., M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G27168 (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
17 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
- 2008-09-03
- Last updated
- 2008-09-03
Frequently asked questions
- What is Donald Barr's NPI number?
- Donald Barr's National Provider Identifier (NPI) is 1912155086, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Barr's specialty?
- Donald Barr is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Barr located?
- Donald Barr's practice location on file with NPPES is 948 Ramona St, Palo Alto, CA 94301-2736.
- What is Donald Barr's phone number?
- The practice phone number listed in the NPPES registry for Donald Barr is (650) 723-2884.
- Is Donald Barr's NPI active?
- Yes — Donald Barr's NPI (1912155086) is active in the NPPES registry as of the last update on 2008-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.