NPPES file of Aug 9, 2026

Meridith Erin Johnson-Koontz, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Elma, WA

Meridith Erin Johnson-Koontz, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Elma, Washington, and NPI 1134886948, issued on Nov 29, 2021. Check the license (Washington AP61495467, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134886948
Name
Meridith Erin Johnson-Koontz
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
AP61495467 WA
RN60197573 WA
Self-reported in NPPES; status is on the state search
Practice location
600 E Main St, Elma, WA 98541
Phone
(360) 346-2222
Enumerated
Nov 29, 2021
Record last updated
Jan 25, 2024
Medicare enrollment
Enrolled (PECOS I20240129003175); accepts 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 600 E Main St

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

  1. Amir Atabeygi, MDFamily Medicine Physician1457791659
  2. Sarah Bradford, NP-CFamily Nurse Practitioner1609520592
  3. Laura Brownsmith, ARNPFamily Nurse Practitioner1518545102
  4. Andrew Burton, PHARMDPharmacist1083183644
  5. Sarah Carossino, RDN, CDRegistered Dietitian1417412537
  6. Joanna Chan, MDStudent in an Organized Health Care Education/Training Program1669393831

Verify Meridith Erin Johnson-Koontz 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 AP61495467
    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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47% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

484 Medicare Part D claims for 38 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Meridith Johnson-Koontz484
  2. Specialty average906

Most prescribed

  1. Quetiapine Fumarate37 claims
  2. Aripiprazole23 claims
  3. Risperidone23 claims
  4. Clonazepam22 claims
  5. Vraylar22 claims
  6. Clonidine Hcl19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $168.44

3 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Meridith Johnson-Koontz$168.44
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Grays Harbor County Public Hospital District NO 1Elma, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

4 psychiatric/mental health nurse practitioner records list a practice address in Elma

They are 4 of the 128 NPPES records with a practice address in Elma, and 1,875 psychiatric/mental health nurse practitioner records in Washington.

Other psychiatric/mental health nurse practitioner records in Washington

  1. Peimaneh AbdolhosseiniEverett, WA1760246367
  2. Marissa Abrahams, PMHNP-BCSeattle, WA1528336021
  3. Rafael Achacoso, ARNPSeattle, WA1134835432
  4. Aishwarya AchanFederal Way, WA1346886462
  5. Margaret Ackerman, APNMount Vernon, WA1972723906
  6. Brenda Acosta, ARNP, PMHNP-BCYakima, WA1871369728
  7. Allison Adams, RNMountlake Terrace, WA1306308341
  8. Joseph AdamsBellingham, WA1063240125
  9. Sophia Adams, ARNPSeattle, WA1902361157
  10. Juliana Adarmes, DNPTacoma, WA1578280442

Common questions

What is Meridith Erin Johnson-Koontz, PMHNP-BC's NPI number?

Meridith Erin Johnson-Koontz, PMHNP-BC's National Provider Identifier (NPI) is 1134886948, issued on Nov 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Meridith Erin Johnson-Koontz, PMHNP-BC located?

The NPPES record lists a practice address at 600 E Main St, Elma, WA, 98541. Phone: (360) 346-2222. Providers update this record themselves, so call before visiting.

How can I verify Meridith Erin Johnson-Koontz, PMHNP-BC's license?

NPPES lists Washington license number AP61495467, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Meridith Erin Johnson-Koontz, PMHNP-BC prescribe under Medicare Part D?

In 2024, Meridith Erin Johnson-Koontz, PMHNP-BC had 484 Medicare Part D claims for 38 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.