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

Holland St John

Individual provider Internal Medicine Physician · NPI 1609884931

Holland St John is an Internal Medicine Physician in Sunnyvale, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

301 Old San Francisco Rd
Sunnyvale, CA 94086-6386
Phone: (408) 739-6000
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C50723 (CA)

Record details

NPI number1609884931
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address301 Old San Francisco Rd, Sunnyvale, CA 94086-6386

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