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

Harold S. Woo, DO

Individual provider Emergency Medicine Physician · NPI 1477627784

Harold S. Woo, DO is an Emergency Medicine Physician in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

324 Conifer Ct
Walnut Creek, CA 94598-2614
Phone: (925) 708-2038
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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 20A9500 (CA)

Record details

NPI number1477627784
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedNovember 20, 2006
Last updated in NPPESNovember 30, 2010
Mailing address324 Conifer Ct, Walnut Creek, CA 94598-2614

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