NPPES file of Aug 9, 2026

Tonya Williams, NP

Psychiatric/Mental Health Nurse Practitioner · Houston, TX

Tonya Williams, NP is a psychiatric/mental health nurse practitioner with a practice address in Houston, Texas, and NPI 1700590353, issued on Jan 9, 2023. Check the license (Texas 1099455, as entered in NPPES) with the Texas 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
1700590353
Name
Tonya Williams
Credential
NP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
1099455 TX
Self-reported in NPPES; status is on the state search
Practice location
440 Louisiana St Ste 900, Houston, TX 77002
Phone
(281) 683-5478
Enumerated
Jan 9, 2023
Record last updated
Mar 4, 2026
Medicare enrollment
Enrolled (PECOS I20230213000772); may accept 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 psychiatric/mental health nurse practitioner records → All 4,227 in Texas → Look up another NPI →

Also registered at 440 Louisiana St Ste 900

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

  1. Brittany Brown, LPCMental Health Counselor1215587738
  2. Dorian BrownPhlebotomy Technician1255102950
  3. Ida Centineo, FNP-CFamily Nurse Practitioner1609410653
  4. Rachel Dean, LPC ASSOCIATEMental Health Counselor1629906292
  5. Araven Griffin, CERTIFIED SPECIALISTProsthetics Case Management1811715428
  6. Rabab Jafri, M.D.Pediatric Endocrinology Physician1851655864

Verify Tonya Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 1099455    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 Texas license search

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2.2 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024

1,972 Medicare Part D claims for 76 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.

  1. Tonya Williams1,972
  2. Specialty average906

Most prescribed

  1. Trazodone Hcl228 claims
  2. Benztropine Mesylate131 claims
  3. Sertraline Hcl105 claims
  4. Olanzapine103 claims
  5. Divalproex Sodium Er101 claims
  6. Oxcarbazepine96 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: $24.02

1 payment: food and beverage; the largest payer was Abbvie 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. Tonya Williams$24.02
  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.

Tonya Williams among 4,227 psychiatric/mental health nurse practitioner records in Texas

Tonya Williams, NP is one of 4,227 psychiatric/mental health nurse practitioner records with a practice address in Texas. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 61% of them.

  • NPI issued2023 · 61% of these records are older, 29% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2022 · median 2021 among the 2,245 with a school on file
  • Record last updated2026 · 18% 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 Texas 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 Texas

There are 4,227 psychiatric/mental health nurse practitioner records in Texas.

All 4,227 in Texas → Every provider in Houston → Psychiatric/Mental Health Nurse Practitioner nationwide →

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

  1. Musifat Akanji-Newton, PMHNP-BCHouston, TX 770021710507108
  2. Kayli Dozier Joachim, PMHNP-BCHouston, TX 770021124455043
  3. Benedicta EdemaHouston, TX 770021477265346
  4. Anita EzeakachaHouston, TX 770021497318695
  5. Vincent FloresHouston, TX 770021053809665
  6. Lenia John, APRNHouston, TX 770021487147849
  7. Omotola Johnson, PMHNP BCHouston, TX 770021639756760
  8. Ryann Lee, NPHouston, TX 770021962914101

Common questions

What is Tonya Williams, NP's NPI number?

Tonya Williams, NP's National Provider Identifier (NPI) is 1700590353, issued on Jan 9, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Tonya Williams, NP located?

The NPPES record lists a practice address at 440 Louisiana St Ste 900, Houston, TX, 77002. Phone: (281) 683-5478. Providers update this record themselves, so call before visiting.

How can I verify Tonya Williams, NP's license?

NPPES lists Texas license number 1099455, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Tonya Williams, NP prescribe under Medicare Part D?

In 2024, Tonya Williams, NP had 1,972 Medicare Part D claims for 76 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.

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.