Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Tammy Warner, RDH

Dental Hygienist in Bishop, CA · enumerated 2018.

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

National Provider Identifier

1609366236

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Registry record

Entity type Individual (Type 1)

Name Ms. Tammy Warner

Credential RDH

Sex Female

Practice address 250 N See Vee Ln, Bishop, CA, 93514

Phone (760) 873-3443

Fax (760) 873-3889

Enumeration date May 18, 2018

Last updated in NPPES Dec 12, 2025

Taxonomy & licenses

124Q00000X Dental Hygienist Dental Providers · License 3319 (NV) Secondary

124Q00000X Dental Hygienist Dental Providers · License 850 (MT) Secondary

124Q00000X Dental Hygienist Dental Providers · License 13942 (CA) Primary

124Q00000X Dental Hygienist Dental Providers · License H010320 (AZ) Secondary

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 specialty is Tammy Warner?

Tammy Warner is registered in NPPES with the primary taxonomy of Dental Hygienist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Thomas Wuesthoff General Practice Dentistry · Bishop, CA NPI 1124053301 Toiyabe Indian Health Project, Inc Clinic Pharmacy · Bishop, CA NPI 1093720609 Toiyabe Indian Health Project, Inc Federally Qualified Health Center (FQHC) · Bishop, CA NPI 1659433191 Shadrouz Kianouri Public Health Dentistry · Bishop, CA NPI 1699826479 Matthew Earhart Optometrist · Bishop, CA NPI 1831397801 Shannon Beasley Registered Dietitian · Bishop, CA NPI 1790111656 Paul Chavez Counselor · Bishop, CA NPI 1811409782 Maria Niepagen Family Nurse Practitioner · Bishop, CA NPI 1447718978

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-12.