Charles Fiske, M.D.
NPI 1013900331 · Radiation Oncology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1013900331
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G35057 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,970 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 246 | $169 |
| X-Ray of Knee, 3 Views73562 | 217 | $54 |
| X-Ray of Chest, 2 Views71046 | 203 | $44 |
| Screening 3d Breast Mammography77063 | 193 | $65 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 134 | $46 |
| Mri Scan of Pelvis Before and After Contrast72197 | 102 | $436 |
| Piflufolastat F-18, Diagnostic, 1 Millicurie |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-23
- Last updated
- 2014-02-05
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.