Registry data as of Aug 27, 2026

Douglas Diaz, P.T.

Physical Therapist · Quincy, WA

Douglas Diaz, P.T. is a physical therapist with a practice address in Quincy, Washington, and NPI 1043450679, issued on Feb 23, 2009. Check the license (Washington PT00003939, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1043450679
Name
Douglas Diaz
Credential
P.T.
Primary taxonomy
Physical Therapist 225100000X
License number
PT00003939 WA
Self-reported in NPPES; status is on the state search
Practice location
406 Central Ave S, Quincy, WA 98848
Phone
(509) 787-0569
Enumerated
Feb 23, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 406 Central Ave S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexander Robinson, PT, DPTPhysical Therapist1679019962
  2. Lindsey Wallace, PT, DPTPhysical Therapist1255075800

Verify Douglas Diaz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PT00003939
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

5 physical therapist records list a Quincy practice address

They are 5 of the 82 NPPES records with a Quincy practice address, and 7,493 physical therapist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physical therapist records in Washington

  1. Kaitlyn Aakre, DPTBellevue, WA1780084897
  2. Lance Aalbu, MPT, CSCSMarysville, WA1003825043
  3. Brian Aasby, D.P.T.Everson, WA1679866594
  4. Clarissa Abadesco, DPTSeattle, WA1073226205
  5. Romeen Abdollmohammadi, DPTOak Harbor, WA1235530783
  6. Barvin Abdul MohideenEverett, WA1609645571
  7. Thomas AblanKelso, WA1336391705
  8. Jaime Ablutz, MPT, CSCS, OCS, CMPTSeattle, WA1598804106
  9. Gabrielle Abrahamsen, DPTTacoma, WA1003264771
  10. Kiara Abrams, DPTLiberty Lake, WA1336901487

Common questions

What is Douglas Diaz, P.T.'s NPI number?

Douglas Diaz, P.T.'s National Provider Identifier (NPI) is 1043450679, issued on Feb 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Diaz, P.T. located?

The NPPES record lists a practice address at 406 Central Ave S, Quincy, WA, 98848. Phone: (509) 787-0569. Providers update this record themselves, so call before visiting.

How can I verify Douglas Diaz, P.T.'s license?

NPPES lists Washington license number PT00003939, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.