North Valley Radiation Oncology Medical Group Inc
NPI 1255379814 · Radiation Oncology Physician · Marysville, CA
North Valley Radiation Oncology Medical Group Inc is a Radiation Oncology Physician organization in Marysville, CA (NPI 1255379814).
Provider details
- NPI number
- 1255379814
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Wahlen, President(530) 891-8787
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
- 2006-06-03
- Last updated
- 2010-02-09
Frequently asked questions
- What is North Valley Radiation Oncology Medical Group Inc's NPI number?
- North Valley Radiation Oncology Medical Group Inc's National Provider Identifier (NPI) is 1255379814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is North Valley Radiation Oncology Medical Group Inc?
- North Valley Radiation Oncology Medical Group Inc is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is North Valley Radiation Oncology Medical Group Inc located?
- North Valley Radiation Oncology Medical Group Inc's practice location on file with NPPES is 726 4th St, Marysville, CA 95901-5656.
- What is North Valley Radiation Oncology Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for North Valley Radiation Oncology Medical Group Inc is (530) 891-8787.
- Who is the authorized official for North Valley Radiation Oncology Medical Group Inc?
- The authorized official listed on North Valley Radiation Oncology Medical Group Inc's NPPES record is Steven Wahlen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is North Valley Radiation Oncology Medical Group Inc's NPI active?
- Yes — North Valley Radiation Oncology Medical Group Inc's NPI (1255379814) is active in the NPPES registry as of the last update on 2010-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.