James Mitchell, MD
NPI 1700057569 · Radiation Oncology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mitchell, MD is a Radiation Oncology Physician provider in Walnut Creek, CA (NPI 1700057569).
Provider details
- NPI number
- 1700057569
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A122777 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
686 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Intra-Fraction Localization and Tracking of Target Or Patient Motion During Delivery of Radiation Therapy (eg,3d Positional Tracking, Gating, 3d Surface Tracking), Each Fraction of TreatmentG6017 | 185 | $159 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 173 | $156 |
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 168 | $494 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 50 | $50 |
| Continuing Radiation Therapy Consultation Per Week77336 | 44 | $121 |
| Radiation Treatment Management, 5 Treatment Sessions77427 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,005 across 37 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-19
- Last updated
- 2025-03-03
- Certified
- 2025-03-03
Frequently asked questions
- What is James Mitchell's NPI number?
- James Mitchell's National Provider Identifier (NPI) is 1700057569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mitchell's specialty?
- James Mitchell is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is James Mitchell located?
- James Mitchell's practice location on file with NPPES is 575 Lennon Ln, Walnut Creek, CA 94598-2443.
- What is James Mitchell's phone number?
- The practice phone number listed in the NPPES registry for James Mitchell is (925) 433-8786.
- Does James Mitchell accept Medicare?
- James Mitchell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mitchell's NPI active?
- Yes — James Mitchell's NPI (1700057569) is active in the NPPES registry as of the last update on 2025-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.