Robert G. Greenberg, MD
NPI 1639195316ActiveIndividual· Dermatology· San Ramon, CA
Dermatology (MD) in San Ramon, California, trained at State University of New York Downstate Medical Center (class of 1985). In 2024 Medicare paid $718,816 for 804 patients, and Part D covered 550 of their prescriptions, 78% of them generic. Arcutis Biotherapeutics, Inc. was the largest of 23 companies reporting payments in 2025, $428,212 in all, mostly speaking and faculty fees.
Overview
| NPI | 1639195316 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | G57979 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 804 |
|---|---|
| Services billed | 10,203 across 55 procedure codes |
| Paid by Medicare | $718,816 |
Part D prescriptions in 2024
| Prescriptions (claims) | 550 · 670 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $766,799 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Dermatology |
Medical group
- Golden State Dermatology Associates, Inc.Saint Helena, CA · 125 clinicians
Industry payments (Open Payments)
- 2025$428,212 · 582 payments from 23 companies
- 2024$532,366 · 689 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arcutis Biotherapeutics, Inc. | $88,991 | 86 |
| Ucb, Inc. | $60,481 | 88 |
| Lilly USA, LLC | $59,865 | 108 |
| Sun Pharmaceutical Industries Inc. | $48,473 | 46 |
| Incyte Corporation | $33,014 | 63 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$262,031 · 101 payments
- Consulting Fee$86,213 · 20 payments
- Compensation for serving as faculty or as a speaker for a medical education program$44,042 · 12 payments
- Travel and Lodging$25,352 · 200 payments
- Food and Beverage$10,575 · 249 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Dermatology providers in San Ramon
- 1043613862
- 1235368523
- 1376997767
- 1154495240
- 1235105446