NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Stephanie Lynn Simpson, PSY.D.

Clinical Psychologist in Concord, CA · enumerated 2007 · practices at Shelter, Inc..

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

National Provider Identifier

1700071644

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Stephanie Lynn Simpson
Credential PSY.D.
Sex Female
Practice address 1333 Willow Pass Rd, Suite 102, Concord, CA, 94520
Fax (925) 825-7094
Enumeration date Sep 13, 2007
Last updated in NPPES May 26, 2009

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 22257 (CA) 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 specialty is Stephanie Simpson?
Stephanie Simpson is registered in NPPES with the primary taxonomy of Clinical Psychologist. 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.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-05-26.