Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Tiffany Do, PPS

Q: What is the NPI number for Tiffany Do?

The National Provider Identifier (NPI) for Tiffany Do is 1215898531, a Type 1 (individual) record in the CMS NPPES registry.

School Psychologist in Fountain Valley, CA · enumerated 2025.

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

National Provider Identifier

1215898531

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Registry record

Entity type Individual (Type 1)

Name Mrs. Tiffany Do

Credential PPS

Sex Female

Practice address 9622 Dolphin St, Fountain Valley, CA, 92708

Phone (714) 848-5160

Enumeration date Nov 18, 2025

Last updated in NPPES Nov 18, 2025

Taxonomy & licenses

103TS0200X School Psychologist Behavioral Health & Social Service Providers Primary

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 Tiffany Do practice?

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

What is the NPI number for Tiffany Do?

The National Provider Identifier (NPI) for Tiffany Do is 1215898531, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-18.