Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Catherine Riley, M.D.

Developmental - Behavioral Pediatrics Physician in Tucson, AZ · enumerated 2006.

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

National Provider Identifier

1598772501

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Registry record

Entity type Individual (Type 1)

Name Dr. Catherine Riley

Credential M.D.

Sex Female

Practice address 535 N Wilmot Rd, Tucson, AZ, 85711

Phone (520) 694-5437

Fax (520) 694-0246

Enumeration date Aug 2, 2006

Last updated in NPPES Feb 11, 2020

Taxonomy & licenses

2080P0006X Developmental - Behavioral Pediatrics Physician Allopathic & Osteopathic Physicians · License MD421545 (PA) Secondary

2080P0006X Developmental - Behavioral Pediatrics Physician Allopathic & Osteopathic Physicians · License 240503 (NY) Secondary

2080P0006X Developmental - Behavioral Pediatrics Physician Allopathic & Osteopathic Physicians · License 51856 (AZ) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Catherine Riley practice?

The practice location on file with NPPES is in Tucson, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Catherine Riley?

The National Provider Identifier (NPI) for Catherine Riley is 1598772501, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-02-11.