Doctor profile · Federal record
Dr. Joseph Greenberg, MD
Specialist (CMS: Dermatology) · San Rafael, CA
- NPI 1912085937
- Accepts Medicare
- 59 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
750 Las Gallinas Ave, Suite 205
San Rafael, CA 949033438
(415) 472-3930
fax (415) 472-2102
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- April 22, 2010
- Year of graduation
- 1967 — 59 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #C35289
- Medicaid
- CA #00C352890
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912085937. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,535
Distinct HCPCS
7
Medicare allowed
$194,675
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
96910 |
Therapy procedure using ultraviolet radiation with tar or petroleum jelly application | 642 | 23 | $161 | |
96920 |
Treatment of inflammatory skin disease using laser, less than 250.0 sq cm | 374 | 12 | $201 | |
17003 |
Destruction of precancer skin growth, 2-14 growths | 350 | 70 | $9 | |
17000 |
Destruction of precancer skin growth, 1 growth | 77 | 72 | $75 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 52 | 50 | $68 | |
11102 |
Biopsy of related skin growth, first growth | 22 | 20 | $125 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 18 | 15 | $42 |
In context: peer comparison
Among 3 peers in San Rafael Specialist, average services per provider: 179. This provider delivers 8.6× the peer median.Frequently asked questions
What is Dr. Joseph Greenberg's medical specialty?
Dr. Joseph Greenberg practices Specialist in San Rafael, CA.
Where does Dr. Joseph Greenberg practice?
Dr. Joseph Greenberg practices at 750 Las Gallinas Ave, San Rafael, CA 949033438. Office phone: 4154723930.
What is Dr. Joseph Greenberg's NPI?
Dr. Joseph Greenberg's National Provider Identifier (NPI) is 1912085937, issued by NPPES.
Does Dr. Joseph Greenberg accept Medicare assignment?
Yes. Dr. Joseph Greenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Greenberg commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using ultraviolet radiation with tar or petroleum jelly application (HCPCS 96910); Treatment of inflammatory skin disease using laser, less than 250.0 sq cm (HCPCS 96920); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003). Source: CMS Medicare Physician & Other Practitioners file.