Riverside Radiology Medical Group Inc
NPI 1699776526 · Diagnostic Radiology Physician · Riverside, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riverside Radiology Medical Group Inc is a Diagnostic Radiology Physician organization in Riverside, CA (NPI 1699776526).
Provider details
- NPI number
- 1699776526
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Donal Massee, President(951) 781-2270
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
- 2005-08-02
- Last updated
- 2022-07-21
Frequently asked questions
- What is Riverside Radiology Medical Group Inc's NPI number?
- Riverside Radiology Medical Group Inc's National Provider Identifier (NPI) is 1699776526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Riverside Radiology Medical Group Inc?
- Riverside Radiology Medical Group Inc is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Riverside Radiology Medical Group Inc located?
- Riverside Radiology Medical Group Inc's practice location on file with NPPES is 4445 Magnolia Ave, Riverside, CA 92501-4135.
- What is Riverside Radiology Medical Group Inc's phone number?
- The practice phone number listed in the NPPES registry for Riverside Radiology Medical Group Inc is (951) 788-3400.
- Does Riverside Radiology Medical Group Inc accept Medicare?
- Riverside 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 Riverside Radiology Medical Group Inc?
- The authorized official listed on Riverside Radiology Medical Group Inc's NPPES record is Donal Massee, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Riverside Radiology Medical Group Inc's NPI active?
- Yes — Riverside Radiology Medical Group Inc's NPI (1699776526) 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.