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

Douglas A Tucker, MD

Individual provider Internal Medicine Physician · NPI 1619057593

Douglas A Tucker, MD is an Internal Medicine in Sunnyvale, California. Qualified in 1993, 33 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
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

301 Old San Francisco Rd
Sunnyvale, CA 94086-3496
Phone: (408) 739-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A53759 (CA)

Record details

NPI number1619057593
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESDecember 13, 2011
Mailing address2350 W El Camino Real, 2nd Floor, Mountain View, CA 94040-6201

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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