NPPES file of Aug 9, 2026

Therese Ellen Mayer, RC, CDP

Addiction (Substance Use Disorder) Counselor · Seattle, WA

Therese Ellen Mayer, RC, CDP is an addiction (substance use disorder) counselor with a practice address in Seattle, Washington, and NPI 1972708469, issued on Jun 15, 2007. Check the license (Washington CP00004988, 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
1972708469
Name
Therese Ellen Mayer
Credential
RC, CDP
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License numbers
CP00004988 WA
RC00034975 WA
Self-reported in NPPES; status is on the state search
Practice location
400 Yesler Way, Seattle, WA 98104
Phone
(206) 296-1296
Enumerated
Jun 15, 2007
Record last updated
Sep 11, 2025
Fax
(206) 205-6325
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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8 nearest addiction (substance use disorder) counselor records → All 4,416 in Washington → Look up another NPI →

Also registered at 400 Yesler Way

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

  1. Elizabeth Andersen, MSW, MHP,RCProfessional Counselor1043496516
  2. Zane Behnke, MSW, MHP, RCProfessional Counselor1073765459
  3. Rachel Brown, RCProfessional Counselor1013109578
  4. Kathleen Callaghan, RCProfessional Counselor1073715025
  5. Rayeong Chang, CO 61012713Addiction (Substance Use Disorder) Counselor1891339826
  6. Frances Collette, MSW, RCProfessional Counselor1699977439

Verify Therese Ellen Mayer 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 CP00004988    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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Therese Ellen Mayer among 4,416 addiction (substance use disorder) counselor records in Washington

Therese Ellen Mayer, RC, CDP is one of 4,416 addiction (substance use disorder) counselor records with a practice address in Washington. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 2% of them.

  • NPI issued2007 · 2% of these records are older, 93% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2025 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Counselor providers in Washington

There are 4,416 addiction (substance use disorder) counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,416 in Washington → Every provider in Seattle → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Allen Benson, RCSeattle, WA 981041992802953
  2. Phyllis Black, CDPSeattle, WA 981041407186869
  3. Ronald Blunk, LICSW, CPSeattle, WA 981041215032578
  4. Holly Delaney, RCSeattle, WA 981041205933280
  5. Danny Dodd, LMHCSeattle, WA 981041205933348
  6. Amanda Kerbrat, MSWSeattle, WA 981041134450810
  7. Beng Loo, CDPSeattle, WA 981041730363235
  8. James Marshall, CDPSeattle, WA 981041437256575

Common questions

What is Therese Ellen Mayer, RC, CDP's NPI number?

Therese Ellen Mayer, RC, CDP's National Provider Identifier (NPI) is 1972708469, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Therese Ellen Mayer, RC, CDP located?

The NPPES record lists a practice address at 400 Yesler Way, Seattle, WA, 98104. Phone: (206) 296-1296. Providers update this record themselves, so call before visiting.

How can I verify Therese Ellen Mayer, RC, CDP's license?

NPPES lists Washington license number CP00004988, 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.

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.