Doctor profile · Federal record
Dr. Mark Moasser, M.D.
Medical Oncology Physician (CMS: Medical Oncology) · San Francisco, CA
- NPI 1417911751
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1600 Divisadero St, 2Nd Floor, Box 1710
San Francisco, CA 941153010
(415) 353-7070
fax (415) 353-7021 - Mailing address
-
1635 Divisadero St., Ste. 625, Box 1821
San Francisco, CA 941430001
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 29, 2008
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- California #A85674
- Medicaid
- CA #00A865740
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417911751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
207
Distinct HCPCS
3
Medicare allowed
$30,115
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 113 | 21 | $162 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 78 | 49 | $110 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 16 | 16 | $203 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 70. This provider delivers 3.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
259
Patients
43
Total drug cost
$888,565
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 94 | 24 | $5,441 |
| Anastrozole | Generic | 62 | 19 | $1,961 |
| Tamoxifen Citrate | Generic | 33 | 0 | $1,463 |
| Ibrance (Palbociclib) | Brand | 28 | 0 | $440,444 |
| Verzenio (Abemaciclib) | Brand | 26 | 0 | $434,467 |
| Exemestane | Generic | 16 | 0 | $4,789 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Moasser's medical specialty?
Dr. Mark Moasser practices Medical Oncology Physician in San Francisco, CA.
Where does Dr. Mark Moasser practice?
Dr. Mark Moasser practices at 1600 Divisadero St, San Francisco, CA 941153010. Office phone: 4153537070.
What is Dr. Mark Moasser's NPI?
Dr. Mark Moasser's National Provider Identifier (NPI) is 1417911751, issued by NPPES.
Does Dr. Mark Moasser accept Medicare assignment?
Yes. Dr. Mark Moasser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Moasser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.