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

Geoffrey S Spencer, MD

Individual provider Gastroenterology Physician · NPI 1578625828

Geoffrey S Spencer, MD is a Gastroenterology in San Jose, California. Graduated from Eastern Virginia Medical School in 2000, 26 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Pennsylvania.

Years since qualifying
26
Trained at
Eastern Virginia Medical School
Licensed in
CA, PA
In the registry since
2006
Specialties on file
2
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

2440 Samaritan Dr Ste #1
San Jose, CA 95124-3911
Phone: (408) 626-7375
Fax: (408) 626-7368
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A108150 (CA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD421763 (PA)

Record details

NPI number1578625828
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 14, 2006
Last updated in NPPESJuly 14, 2009

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolEASTERN VIRGINIA MEDICAL SCHOOL
Graduated 2000 (26 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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