NPPES file of Aug 9, 2026

Louis Nieuwenhuizen, PSYD

Clinical Psychologist · Huntington, WV

Louis Nieuwenhuizen, PSYD is a clinical psychologist with a practice address in Huntington, West Virginia, and NPI 1689101859, issued on May 18, 2017. Check the license (West Virginia 1153, as entered in NPPES) with the West Virginia 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
1689101859
Name
Louis Nieuwenhuizen
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
1153 WV
Self-reported in NPPES; status is on the state search
Practice location
1115 20TH St, Huntington, WV 25703
Phone
(304) 691-1500
Enumerated
May 18, 2017
Record last updated
May 18, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250401001913); 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 clinical psychologist records → All 251 in West Virginia → Look up another NPI →

Also registered at 1115 20TH St

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

  1. Jill Bange, MDPsychiatry Physician1548880362
  2. Meredith Bentley, DOPsychiatry Physician1396109278
  3. Lucas Betterton, DOStudent in an Organized Health Care Education/Training Program1205379658
  4. Sara Carder, DOStudent in an Organized Health Care Education/Training Program1750086617
  5. Ronald Carico, PHARMDPharmacist1700141926
  6. Allissa CaudillPsychologist1548558695

Verify Louis Nieuwenhuizen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich West Virginia board licenses this profession
    Search for license 1153    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 West Virginia 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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Bills Medicare through one group practice

  1. Olympic Psychology Services, PLLCTacoma, WA

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

Louis Nieuwenhuizen among 251 clinical psychologist records in West Virginia

Louis Nieuwenhuizen, PSYD is one of 251 clinical psychologist records with a practice address in West Virginia. 22% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 75% of them.

  • NPI issued2017 · 75% of these records are older, 23% newer
  • In a Medicare fileYes · 22% of these records are
  • In the CMS Doctors and Clinicians fileYes · 25% of these records are
  • Graduated2015 · median 2005 among the 62 with a school on file
  • Record last updated2017 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a West Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in West Virginia

There are 251 clinical psychologist records in West Virginia.

All 251 in West Virginia → Every provider in Huntington → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Britani BlackHuntington, WV 257031750915286
  2. Jessica Bradley, PSY.D.Huntington, WV 257031245972710
  3. Kelly Daniel, MAHuntington, WV 257031619938800
  4. Kathryn Dawson, LIC PSYCHuntington, WV 257031376654400
  5. Daniel Frame, PSY. D.Huntington, WV 257031902622368
  6. John Prentice, PSY.DHuntington, WV 257031720913239
  7. Lauren Davidson, PSY.D.Huntington, WV 257041013273077
  8. Philip Hatfield, PH.D.Huntington, WV 257041871575803

Common questions

What is Louis Nieuwenhuizen, PSYD's NPI number?

Louis Nieuwenhuizen, PSYD's National Provider Identifier (NPI) is 1689101859, issued on May 18, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Louis Nieuwenhuizen, PSYD located?

The NPPES record lists a practice address at 1115 20TH St, Huntington, WV, 25703. Phone: (304) 691-1500. Providers update this record themselves, so call before visiting.

How can I verify Louis Nieuwenhuizen, PSYD's license?

NPPES lists West Virginia license number 1153, as entered by the provider. Search the West Virginia 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.