Radia California Radiology Medical Group Inc
NPI 1740982032 · Diagnostic Radiology Physician · Santa Rosa, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Radia California Radiology Medical Group Inc is a Diagnostic Radiology Physician organization in Santa Rosa, CA (NPI 1740982032).
Provider details
- NPI number
- 1740982032
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lloyd Stambaugh, President(425) 563-1500
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
3 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
Other names (DBA / former)
- Doing business as
- Radia California
- Doing business as
- Radia California
Registry dates
- Enumerated
- 2023-03-20
- Last updated
- 2023-04-10
- Certified
- 2023-04-07
Frequently asked questions
- What is Radia California Radiology Medical Group Inc's NPI number?
- Radia California Radiology Medical Group Inc's National Provider Identifier (NPI) is 1740982032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Radia California Radiology Medical Group Inc?
- Radia California Radiology Medical Group Inc is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Radia California Radiology Medical Group Inc located?
- Radia California Radiology Medical Group Inc's practice location on file with NPPES is 121 Sotoyome St, Santa Rosa, CA 95405-4823.
- What is Radia California Radiology Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Radia California Radiology Medical Group Inc is (425) 563-1500.
- Does Radia California Radiology Medical Group Inc accept Medicare?
- Radia California Radiology Medical Group Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Radia California Radiology Medical Group Inc?
- The authorized official listed on Radia California Radiology Medical Group Inc's NPPES record is Lloyd Stambaugh, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Radia California Radiology Medical Group Inc's NPI active?
- Yes — Radia California Radiology Medical Group Inc's NPI (1740982032) is active in the NPPES registry as of the last update on 2023-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.