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

Douglas Philip Tapper, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1003994864

Douglas Philip Tapper, MD is a Critical Care Medicine (Internal Medicine) Physician in Saint Helena, 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.

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Practice location Address checks out

10 Woodland Rd
Saint Helena, CA 94574-9554
Phone: (707) 963-6399
Fax: (707) 967-5915
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence G59948 (CA)

Record details

NPI number1003994864
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESOctober 11, 2017
Mailing addressPo Box 7096, Stockton, CA 95267-0096

Other providers in Saint Helena