Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary A Risdon, PSYD

Clinical Psychologist in Bellevue, WA · enumerated 2006.

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

National Provider Identifier

1891857520

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary A Risdon

Credential PSYD

Sex Female

Practice address 1808 Richards Rd Ste 105, Bellevue, WA, 98005

Phone (425) 454-7541

Enumeration date Dec 16, 2006

Last updated in NPPES Jan 23, 2025

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PY00003582 (WA) 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

How do I verify Mary Risdon's NPI record?

Cross-check NPI 1891857520 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891857520 active?

Yes, as of the latest NPPES snapshot, NPI 1891857520 is active (record last updated 2025-01-23).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-23.