Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Prof. Donald Adams Barr, MD, PHD, MS

Individual provider Emergency Medicine Physician · NPI 1912155086

Prof. Donald Adams Barr, MD, PHD, MS is an Emergency Medicine Physician in Palo Alto, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

948 Ramona St
Palo Alto, CA 94301-2736
Phone: (650) 723-2884
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G27168 (CA)

Record details

NPI number1912155086
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD , MS
Sole proprietorYes
NPI enumeratedSeptember 3, 2008
Last updated in NPPESSeptember 3, 2008

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