Doctor profile · Federal record
Dr. Susan Marks, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · San Francisco, CA
- NPI 1801835079
- Accepts Medicare
- MIPS 83.6 / 100 · 2023
- 45 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1520 Stockton St
San Francisco, CA 94133
(415) 391-9686 - Additional location
-
101 S San Mateo Dr, Suite 201
San Mateo, CA 944013819
(650) 343-1655
fax (650) 343-1686 - Additional location
-
2500 Grant RD
Mountain View, CA 940404302
(650) 940-7050 - Mailing address
-
3182 Campus Dr # 199
San Mateo, CA 944033123
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 31, 2019
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- California #G48429
- Medicaid
- CA #00G484290
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801835079. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,581
Distinct HCPCS
10
Medicare allowed
$92,745
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77063 |
Screening 3d breast mammography | 255 | 255 | $32 | |
77067 |
Screening mammography | 255 | 255 | $41 | |
G0279 |
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 120 | 117 | $32 | |
77065 |
Diagnostic mammography of 1 breast | 105 | 98 | $43 | |
76642 |
Limited ultrasound scan of 1 breast | 97 | 92 | $38 | |
71046 |
X-ray of chest, 2 views | 80 | 80 | $45 | |
77066 |
Diagnostic mammography of both breasts | 63 | 62 | $53 | |
73630 |
X-ray of foot, minimum of 3 views | 53 | 42 | $46 | |
76536 |
Ultrasound scan of head and neck soft tissue | 51 | 51 | $152 | |
73030 |
X-ray of shoulder, minimum of 2 views | 39 | 35 | $47 |
In context: peer comparison
Among 102 peers in this city , average services per provider: 133. This provider delivers 12× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Susan Marks's medical specialty?
Dr. Susan Marks practices Diagnostic Radiology Physician in San Francisco, CA.
Where does Dr. Susan Marks practice?
Dr. Susan Marks practices at 1520 Stockton St, San Francisco, CA 94133. Office phone: 4153919686.
What is Dr. Susan Marks's NPI?
Dr. Susan Marks's National Provider Identifier (NPI) is 1801835079, issued by NPPES.
Does Dr. Susan Marks accept Medicare assignment?
Yes. Dr. Susan Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Marks commonly perform?
Top Medicare-reported procedures in 2023: Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067); Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (HCPCS G0279). Source: CMS Medicare Physician & Other Practitioners file.