Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Allan A McDonald, MD

Individual provider Psychiatry Physician · NPI 1821124942

Allan A McDonald, MD is a Psychiatry Physician in Altadena, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2933 El Nido Dr
Altadena, CA 91001-4529
Phone: (626) 644-0442
Fax: (626) 441-0072
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence G10903 (CA)

Record details

NPI number1821124942
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 25, 2007
Last updated in NPPESJuly 8, 2007