Doctor profile · Federal record
Dr. MARC FIELDS, MD
Radiation Oncology Physician (CMS: RADIATION ONCOLOGY) · ROHNERT PARK, CA
- NPI 1730143066
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
301 PROFESSIONAL CENTER DR
ROHNERT PARK, CA 949282152
(209) 543-0684
fax (209) 343-3809 - Mailing address
-
PO BOX 756
DANVILLE, CA 945260756
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 19, 2023
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- California #C52087
- Medicaid
- CA #00C520870
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1730143066. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
12
Distinct HCPCS
1
Medicare allowed
$3,831
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 12 | 12 | $319 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 20. This provider delivers 0.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
19
Patients
0
Total drug cost
$360
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lidocaine Hcl Viscous (Lidocaine Hcl) | Brand | 19 | 0 | $360 |