Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Riverside Radiology Medical Group, Inc.

Diagnostic Radiology Physician in Chico, CA · enumerated 2010 · authorized official Donald Massee, Secretary.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1932409794

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Registry record

Entity type Organization (Type 2)

Legal business name Riverside Radiology Medical Group, Inc.

Practice address 12700 Centerville Rd, Chico, CA, 95928

Phone (559) 455-4000

Enumeration date Oct 27, 2010

Last updated in NPPES Oct 27, 2010

Taxonomy & classification

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Donald Massee

Title Secretary

Phone (951) 781-2273

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where is Riverside Radiology Medical Group, Inc. located?

The practice location on file with NPPES is in Chico, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-10-27. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-27.