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Physician Profile

Robert G. Greenberg, MD

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At a glance

About Dr. Greenberg

Robert G. Greenberg, MD is a healthcare provider in San Ramon, CA specializing in dermatology. Robert trained at State University of New York Downstate Medical Center, graduating in 1985. According to Medicare claims data, Robert cared for 2,563 Medicare patients across 10,037 services. The services billed most often include destruction of precancer skin growth, 2-14 growths, injection, tildrakizumab, 1 mg, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1639195316.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Dermatology (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 57979CurrentExpires Aug 2027Since 1986
NPINational Provider Identifier
1639195316Issued 2006

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Greenberg?

Dr. Greenberg is a dermatologist (skin doctor) in San Ramon, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.

NPI registry

What is Dr. Greenberg's address?

Dr. Greenberg is listed at 5201 Norris Canyon Rd Ste 130, San Ramon, CA 94583. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Greenberg?

The number on file is (925) 277-1300. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Greenberg's NPI number?

Dr. Greenberg's National Provider Identifier is 1639195316. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Greenberg train?

Dr. Greenberg attended State University of New York Downstate Medical Center, graduating in 1985. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Greenberg been practicing?

Dr. Greenberg has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Greenberg perform?

According to Medicare billing data, Dr. Greenberg performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of precancer skin growth, 1 growth and biopsy of related skin growth, first growth; provides treatments such as therapy procedure using ultraviolet radiation with tar or petroleum jelly application and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Greenberg confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greenberg. If this is you, claiming it is free.

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