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

Alan Mark Johnson, MD

Individual provider Pediatric Emergency Medicine (Pediatrics) Physician · NPI 1679685440

Alan Mark Johnson, MD is a Pediatric Emergency Medicine (Pediatrics) Physician in Oakland, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

747 52nd Street Emergency Medicine
Oakland, CA 94609-1809
Phone: (510) 428-3259
Fax: (510) 450-5836
Show map & directions

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

Specialties & licences

Pediatric Emergency Medicine (Pediatrics) Physician (primary) Taxonomy 2080P0204X · Licence G87257 (CA)

Record details

NPI number1679685440
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 8, 2007

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