Registry data as of Aug 27, 2026

Marie McMahon, PSYD

Psychologist · Vancouver, WA

Marie McMahon, PSYD is a psychologist with a practice address in Vancouver, Washington, and NPI 1790852754, issued on Nov 28, 2006. Check the license (Washington PY00003105, 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
1790852754
Name
Marie McMahon
Credential
PSYD
Primary taxonomy
Psychologist 103T00000X
License numbers
PY00003105 WA
1636 OR
Self-reported in NPPES; status is on the state search
Practice location
400 E Evergreen Blvd, Vancouver, WA 98660
Phone
(360) 686-9594
Enumerated
Nov 28, 2006
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 400 E Evergreen Blvd

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

  1. Kristin Amundson, M.ED, M.A.Mental Health Counselor1639519911
  2. Matthew Beeble, MA, LMHCMental Health Counselor1760805030
  3. Rick Boehm, LMHC, MAC, MSAddiction (Substance Use Disorder) Counselor1104007269
  4. Todd Bowerly, PH.D.Clinical Psychologist1598820946
  5. Jessica Cemenska, LMFTMarriage & Family Therapist1053576116
  6. T Edwards, MS, LPCProfessional Counselor1679749022

Verify Marie McMahon 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 PY00003105
    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.

Psychologist providers in Washington

There are 1,031 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. Karen Acheson, PHDPuyallup, WA1841346921
  7. Brian Adams, PHDVancouver, WA1275638181
  8. Kristopher AdamsVancouver, WA1679197370
  9. Lisa Adriance, PHDEverett, WA1235186917
  10. Angela Agelopoulos, PSY.D.Shoreline, WA1629376892

Common questions

What is Marie McMahon, PSYD's NPI number?

Marie McMahon, PSYD's National Provider Identifier (NPI) is 1790852754, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marie McMahon, PSYD located?

The NPPES record lists a practice address at 400 E Evergreen Blvd, Vancouver, WA, 98660. Phone: (360) 686-9594. Providers update this record themselves, so call before visiting.

How can I verify Marie McMahon, PSYD's license?

NPPES lists Washington license number PY00003105, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.