NPPES file of Aug 9, 2026

Mariah Diane Corey, PHD

Psychologist · Seatac, WA

Mariah Diane Corey, PHD is a psychologist with a practice address in Seatac, Washington, and NPI 1942028386, issued on Oct 2, 2024. Check the license (Washington PY61663553, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942028386
Name
Mariah Diane Corey
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
PY61663553 WA
Self-reported in NPPES; status is on the state search
Practice location
4040 S 188TH St Ste 201, Seatac, WA 98188
Phone
(206) 277-7200
Enumerated
Oct 2, 2024
Record last updated
Jul 7, 2026
Fax
(206) 277-7202
Medicare enrollment
Enrolled (PECOS I20260526001787); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4040 S 188TH St Ste 201

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

  1. Zafina AhsanPsychologist1285211235
  2. Molly Anderson, M.D.Family Medicine Physician1275776080
  3. Lauryn Bergert, MA, QMHPCounselor1205514924
  4. Kim Chi Cheuck, MDFamily Medicine Physician1811484702
  5. Don Davis, M.D.Family Medicine Physician1104358662
  6. Nikhil Desai, D.O.Family Medicine Physician1265837181

Verify Mariah Diane Corey 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 PY61663553
    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

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8 psychologist records list a practice address in Seatac

They are 8 of the 216 NPPES records with a practice address in Seatac, and 1,089 psychologist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychologist records in Washington

  1. Leslie Aaron, PH.D.Bellingham, WA1639108095
  2. Benjamin AaronsonSeattle, WA1497108880
  3. Maleeha AbbasSeattle, WA1326406836
  4. Janet Abrams, PSYDSeattle, WA1255480711
  5. Philip Abrego, PH.D.Seattle, WA1760403976
  6. Daisy Aceves, PHDSeattle, WA1144947441
  7. Karen Acheson, PHDPuyallup, WA1841346921
  8. Brian Adams, PHDVancouver, WA1275638181
  9. Lisa Adriance, PHDEverett, WA1235186917
  10. Geetika Agarwal, PH.D.Seattle, WA1730453978

Common questions

What is Mariah Diane Corey, PHD's NPI number?

Mariah Diane Corey, PHD's National Provider Identifier (NPI) is 1942028386, issued on Oct 2, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Diane Corey, PHD located?

The NPPES record lists a practice address at 4040 S 188TH St Ste 201, Seatac, WA, 98188. Phone: (206) 277-7200. Providers update this record themselves, so call before visiting.

How can I verify Mariah Diane Corey, PHD's license?

NPPES lists Washington license number PY61663553, 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), file of Aug 9, 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 only as counts) 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 9, 2026.