NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gretchen Louise Crittenden, MD

Cardiovascular Disease Physician in Bellevue, WA · enumerated 2006.

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

National Provider Identifier

1174559306

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Gretchen Louise Crittenden
Credential MD
Sex Female
Practice address 1414 116th Ave Ne, Suite E, Bellevue, WA, 98004
Phone (425) 455-9555
Fax (425) 454-2044
Enumeration date Jun 22, 2006
Last updated in NPPES Apr 13, 2011

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License MD00041172 (WA) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
8468159 Medicaid WA -
211298 Other WA L & I

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 Gretchen Crittenden?
The National Provider Identifier (NPI) for Gretchen Crittenden is 1174559306, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gretchen Crittenden practice?
The practice location on file with NPPES is in Bellevue, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-13.