Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Richard Zarriello, M.D.

Psychiatry Physician in Redding, CA · enumerated 2005.

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

National Provider Identifier

1245238765

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Registry record

Entity type Individual (Type 1)

Name Dr. Richard Zarriello

Credential M.D.

Sex Male

Practice address 2640 Breslauer Way, Redding, CA, 96001

Phone (530) 225-5200

Fax (530) 225-5977

Enumeration date Jul 8, 2005

Last updated in NPPES Aug 25, 2016

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License G80743 (CA) 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 Richard Zarriello practice?

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

What is the NPI number for Richard Zarriello?

The National Provider Identifier (NPI) for Richard Zarriello is 1245238765, 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 2016-08-25.