NPI Portal NPI Lookup & Verification

Mr. Dwayne Lamont Washington

Mr. Dwayne Lamont Washington is a Rehabilitation Practitioner provider (Rehabilitation Practitioner) practicing in Arcadia, CA, registered in the NPPES registry with NPI 1831487750 since 2011.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1831487750
Entity type Individual (Type 1)
Name Mr. Dwayne Lamont Washington
Sex Male
Practice address Arcadia, CA, 91006
Phone 6268215858
Fax 6268210858
Enumeration date 2011-07-12
Last updated in NPPES 2011-07-12

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
225400000X Rehabilitation Practitioner Primary
Copy-ready billing details
Provider: Dwayne Washington
NPI: 1831487750
Taxonomy: 225400000X (Rehabilitation Practitioner)
Address: Arcadia, CA, 91006

Other providers at this practice address

NPI Name Type Specialty Location
1578595674 Los Angeles County Department of Mental Health Organization Mental Health Clinic/Center (Including Community Mental Health Center) Arcadia, CA
1083700892 Fatima Agregado Individual Clinical Social Worker Arcadia, CA
1609957828 Yuk Mei Lam Individual Clinical Social Worker Arcadia, CA
1255413753 Kalene Gilbert Individual Clinical Social Worker Arcadia, CA
1578646790 Mirtala Parada Ward Individual Clinical Social Worker Arcadia, CA
1396828455 Makan Emadi Individual Clinical Social Worker Arcadia, CA
1487737235 Gerald O'Day Individual Clinical Psychologist Arcadia, CA
1457434300 Julie Wu Hsieh Individual Psychiatry Physician Arcadia, CA

Verify this record

Cross-check NPI 1831487750 against the authoritative CMS record: view Mr. Dwayne Lamont Washington on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Dwayne Washington?
The National Provider Identifier (NPI) for Dwayne Washington is 1831487750, a Type 1 (individual) record in the CMS NPPES registry.
Where does Dwayne Washington practice?
The practice location on file with NPPES is in Arcadia, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2011-07-12.