NPPES file of Aug 9, 2026

Joy T. Williams, M.S., PH.D.

Clinical Psychologist · Norman, OK

Joy T. Williams, M.S., PH.D. is a clinical psychologist with a practice address in Norman, Oklahoma, and NPI 1790814598, issued on Mar 5, 2007. Check the license (Oklahoma 1193, as entered in NPPES) with the Oklahoma 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
1790814598
Name
Joy T. Williams
Credential
M.S., PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
1193 OK
4868 OK
Self-reported in NPPES; status is on the state search
Practice location
3280 Marshall Ave, Norman, OK 73072
Phone
(615) 414-5431
Enumerated
Mar 5, 2007
Record last updated
Aug 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
200375210B OK
Medicare enrollment
Enrolled (PECOS I20170117000242); 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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8 nearest clinical psychologist records → All 248 in Oklahoma → Look up another NPI →

Also registered at 3280 Marshall Ave

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

  1. Melissa Belanger, APRNPsychiatric/Mental Health Nurse Practitioner1396046561
  2. Jana Bolling, APRNFamily Nurse Practitioner1336747807
  3. Tayler Chambers, M.EDProfessional Counselor1255881538
  4. Dinah Cloud, PH.D.Psychologist1154512390
  5. Jerry DemingFamily Nurse Practitioner1245994219
  6. Randy Hendrix, LPC,LMFTProfessional Counselor1689601759

Verify Joy T. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 1193    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 Oklahoma 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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Joy T. Williams among 248 clinical psychologist records in Oklahoma

Joy T. Williams, M.S., PH.D. is one of 248 clinical psychologist records with a practice address in Oklahoma. 13% 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 39% of them.

  • NPI issued2007 · 39% of these records are older, 48% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 26% of these records are
  • Graduated2010 · median 2000 among the 64 with a school on file
  • Record last updated2020 · 68% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Psychologist providers in Oklahoma

There are 248 clinical psychologist records in Oklahoma. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 248 in Oklahoma → Every provider in Norman → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Andrea Clark, PSY.D.Norman, OK 730721912034596
  2. Cody Commander, PSY.D.Norman, OK 730721073891826
  3. Kristin Karr, PSYDNorman, OK 730721124843172
  4. Igor Kowal, PH.D.Norman, OK 730721265250138
  5. Olivia Oppermann, PSYDNorman, OK 730721538032487
  6. Raegan Smith, PH.D.Norman, OK 730721669672234
  7. Darline Thorson, PHDNorman, OK 730721083657274
  8. Harry Boyd, PH.D.Norman, OK 730711104987031

Common questions

What is Joy T. Williams, M.S., PH.D.'s NPI number?

Joy T. Williams, M.S., PH.D.'s National Provider Identifier (NPI) is 1790814598, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joy T. Williams, M.S., PH.D. located?

The NPPES record lists a practice address at 3280 Marshall Ave, Norman, OK, 73072. Phone: (615) 414-5431. Providers update this record themselves, so call before visiting.

How can I verify Joy T. Williams, M.S., PH.D.'s license?

NPPES lists Oklahoma license number 1193, as entered by the provider. Search the Oklahoma 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.