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

Dr. Robert G. Greenberg, MD

Individual provider Dermatology Physician · NPI 1639195316

Dr. Robert G. Greenberg, MD is a Dermatology in San Ramon, California. Graduated from State University of New York Downstate Medical Center in 1985, 41 years ago. Practices with Golden State Dermatology Associates, Inc, a 119-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
41
Trained at
State University of New York Downstate Medical Center
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

5201 Norris Canyon Rd Ste 130
San Ramon, CA 94583-5410
Phone: (925) 277-1300
Fax: (925) 277-1897
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence G57979 (CA)

Record details

NPI number1639195316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 14, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1985 (41 years in practice)
Group practice Golden State Dermatology Associates, Inc. — 119 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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