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

Gregory A Groetsema, MD

Individual provider Emergency Medicine Physician · NPI 1790727873

Gregory A Groetsema, MD is an Emergency Medicine in San Jose, California. Practices with Emergency Physicians Associates San Jose PC, a 133-clinician group and accepts Medicare assignment. Licensed in California.

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

2105 Forest Ave
San Jose, CA 95128-1425
Phone: (408) 947-2500
Fax: (818) 587-2493
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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 A71705 (CA)

Record details

NPI number1790727873
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Group practice Emergency Physicians Associates San Jose Pc — 133 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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