Physician Profile

Robert G. Greenberg, MD

Unclaimed Profile

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.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Dermatology (Primary)

Credentials & Licensing

CA licenseG57979
NPI1639195316
NPI issued07/14/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing 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. Guide.md cannot book appointments or pass on messages — please call the office directly.

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.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.