NPPES file of Aug 9, 2026

Harold R. Thomas, ARNP

Psychiatric/Mental Health Nurse Practitioner · Richland, WA

Harold R. Thomas, ARNP is a psychiatric/mental health nurse practitioner with a practice address in Richland, Washington, and NPI 1508588401, issued on Sep 16, 2022. Check the license (Washington AP61584459, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508588401
Name
Harold R. Thomas
Credential
ARNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
AP61584459 WA
RN60378037 WA
Self-reported in NPPES; status is on the state search
Practice location
112 Columbia Point Dr Ste 101, Richland, WA 99352
Phone
(509) 942-2023
Enumerated
Sep 16, 2022
Record last updated
Dec 16, 2024
Fax
(509) 942-2640
Medicare enrollment
Enrolled (PECOS I20241112000827); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest psychiatric/mental health nurse practitioner records → All 1,875 in Washington → Look up another NPI →

Also registered at 112 Columbia Point Dr Ste 101

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

  1. Gregory Saunders, DNP, PMHNPPsychiatric/Mental Health Nurse Practitioner1083412407

Verify Harold R. Thomas 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 AP61584459    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.

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One hospital affiliation

  1. Kadlec Regional Medical CenterRichland, WA · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Harold R. Thomas among 1,875 psychiatric/mental health nurse practitioner records in Washington

Harold R. Thomas, ARNP is one of 1,875 psychiatric/mental health nurse practitioner records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 71% of them.

  • NPI issued2022 · 71% of these records are older, 22% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2024 · median 2020 among the 904 with a school on file
  • Record last updated2024 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Washington

There are 1,875 psychiatric/mental health nurse practitioner records in Washington.

All 1,875 in Washington → Every provider in Richland → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Angela Combs, ARNPRichland, WA 993521093119232
  2. Diane Hanks, ARNPRichland, WA 993521699747717
  3. Stephen Hull, ARNPRichland, WA 993521639429798
  4. Christina KhailRichland, WA 993521386518520
  5. Justin Kohler, PMHNPRichland, WA 993521669196994
  6. Cady Laws, WHNPRichland, WA 993521104116102
  7. Christopher O'Brien, DNP, PMHNP-BCRichland, WA 993521477398493
  8. David Oni, PMHNP-BC, PHDRichland, WA 993521962176339

Common questions

What is Harold R. Thomas, ARNP's NPI number?

Harold R. Thomas, ARNP's National Provider Identifier (NPI) is 1508588401, issued on Sep 16, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Harold R. Thomas, ARNP located?

The NPPES record lists a practice address at 112 Columbia Point Dr Ste 101, Richland, WA, 99352. Phone: (509) 942-2023. Providers update this record themselves, so call before visiting.

How can I verify Harold R. Thomas, ARNP's license?

NPPES lists Washington license number AP61584459, 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. Medicare files from data.cms.gov. 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.