Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Charlotte Sherin Singleton, PSY.D.

Psychologist in Patton, CA · enumerated 2008.

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

National Provider Identifier

1427210996

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Registry record

Entity type Individual (Type 1)

Name Dr. Charlotte Sherin Singleton

Credential PSY.D.

Sex Female

Practice address 3102 E Highland Ave, Patton, CA, 92369

Phone (909) 425-6126

Enumeration date Jun 26, 2008

Last updated in NPPES Jan 25, 2012

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD 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

What is the NPI number for Charlotte Singleton?

The National Provider Identifier (NPI) for Charlotte Singleton is 1427210996, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charlotte Singleton practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-01-25.