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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Bruce N Riger, MD

Internal Medicine Physician in Yreka, CA · enumerated 2005.

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

National Provider Identifier

1124023486

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Registry record

Entity type Individual (Type 1)
Name Dr. Bruce N Riger
Credential MD
Sex Male
Practice address Yreka, CA, 96097
Phone (530) 842-9800
Fax (530) 842-9054
Enumeration date Jun 14, 2005
Last updated in NPPES Nov 4, 2009

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License G84338 (CA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
110176737 Other CA RAILROAD MEDICARE

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

What is the NPI number for Bruce Riger?
The National Provider Identifier (NPI) for Bruce Riger is 1124023486, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bruce Riger practice?
The practice location on file with NPPES is in Yreka, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-11-04.