NPPES file of Aug 9, 2026

Houston McMahan

Mental Health Counselor · Seattle, WA

Houston McMahan is a mental health counselor with a practice address in Seattle, Washington, and NPI 1720557697, issued on Nov 20, 2018. Check the license 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
1720557697
Name
Houston McMahan
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
2100 24TH Ave S Ste 260, Seattle, WA 98144
Phone
(206) 382-5340
Enumerated
Nov 20, 2018
Record last updated
Nov 20, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
1026117 WA
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 2100 24TH Ave S Ste 260

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

  1. Dalin Abuni'AjCounselor1528846417
  2. Demi AndersonPeer Specialist1013789858
  3. Madeline Bales, LMHCMental Health Counselor1255861886
  4. Deshayla BanksCounselor1710645676
  5. Shelby BennettCounselor1467910679
  6. Jess BermudesCounselor1982173852

Verify Houston McMahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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.

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3,142 mental health counselor records list a practice address in Seattle

They are 3,142 of the 41,956 NPPES records with a practice address in Seattle, and 18,094 mental health counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,142 in Seattle → All 18,094 in Washington → Every provider in Seattle →

Other mental health counselor records in Washington

  1. Jessica Aarsvold, MA, LMHCASeattle, WA1215536719
  2. Gracie AbanganOmak, WA1740333863
  3. Anthony Abastilla, LMHCASilverdale, WA1477150829
  4. Pinael Abate, LMHCARenton, WA1265103568
  5. Hiba AbbadEverett, WA1265272231
  6. Kelly Abbananto, BALakewood, WA1043676562
  7. Hannah AbbottKirkland, WA1568334498
  8. Harold Abbott, M.A.Seattle, WA1548463136
  9. Heather Abbott, LMHCASeattle, WA1861806077
  10. Kristyn Abbott, LMHCOlympia, WA1215328471

Common questions

What is Houston McMahan's NPI number?

Houston McMahan's National Provider Identifier (NPI) is 1720557697, issued on Nov 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Houston McMahan located?

The NPPES record lists a practice address at 2100 24TH Ave S Ste 260, Seattle, WA, 98144. Phone: (206) 382-5340. Providers update this record themselves, so call before visiting.

How can I verify Houston McMahan's license?

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.