Sierra Radiation Oncology a Medical Corporation
NPI 1528068731 · Radiation Oncology Physician · Grass Valley, CA
Sierra Radiation Oncology a Medical Corporation is a Radiation Oncology Physician organization in Grass Valley, CA (NPI 1528068731).
Provider details
- NPI number
- 1528068731
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Kraus, Physician(530) 274-6600
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2022-07-21
Frequently asked questions
- What is Sierra Radiation Oncology a Medical Corporation's NPI number?
- Sierra Radiation Oncology a Medical Corporation's National Provider Identifier (NPI) is 1528068731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sierra Radiation Oncology a Medical Corporation?
- Sierra Radiation Oncology a Medical Corporation is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Sierra Radiation Oncology a Medical Corporation located?
- Sierra Radiation Oncology a Medical Corporation's practice location on file with NPPES is 155 Glasson Way, Grass Valley, CA 95945-5723.
- What is Sierra Radiation Oncology a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Sierra Radiation Oncology a Medical Corporation is (530) 274-6600.
- Who is the authorized official for Sierra Radiation Oncology a Medical Corporation?
- The authorized official listed on Sierra Radiation Oncology a Medical Corporation's NPPES record is David Kraus, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sierra Radiation Oncology a Medical Corporation's NPI active?
- Yes — Sierra Radiation Oncology a Medical Corporation's NPI (1528068731) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.