NPPES file of Aug 9, 2026

Agather Onyango, APRN

Psychiatric/Mental Health Nurse Practitioner · Grand Prairie, TX

Agather Onyango, APRN is a psychiatric/mental health nurse practitioner with a practice address in Grand Prairie, Texas, and NPI 1194367813, issued on Oct 14, 2019. Check the license (Texas AP142770, 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
1194367813
Name
Agather Onyango
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
AP142770 TX
Self-reported in NPPES; status is on the state search
Practice location
1020 S Carrier Pkwy, Grand Prairie, TX 75051
Phone
(214) 743-1200
Enumerated
Oct 14, 2019
Record last updated
May 24, 2022
Medicare enrollment
Enrolled (PECOS I20200124000189); 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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Also registered at 1020 S Carrier Pkwy

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

  1. Maya DhilipPsychiatric/Mental Health Nurse Practitioner1255808101
  2. Ajijala Eruorigho-NannaPsychiatric/Mental Health Nurse Practitioner1275251449
  3. Patrick Gibson, LPC, LMFTMental Health Counselor1033288055
  4. Taylor JacksonMental Health Counselor1740989151
  5. Julianne Pyle, LPC - SProfessional Counselor1770943722
  6. Brittany Sears, M.S., LPCMental Health Counselor1437829496

Verify Agather Onyango 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 AP142770
    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

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

2,097 Medicare Part D claims for 95 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. Agather Onyango2,097
  2. Specialty average906

Most prescribed

  1. Buspirone Hcl188 claims
  2. Quetiapine Fumarate165 claims
  3. Trazodone Hcl138 claims
  4. Venlafaxine Hcl Er111 claims
  5. Sertraline Hcl88 claims
  6. Gabapentin83 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: $322.19

17 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, 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. Agather Onyango$322.19
  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. Lakes Regional Mental Health Mental Retardation CenterTerrell, TX

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

Agather Onyango among 4,227 psychiatric/mental health nurse practitioner records in Texas

Agather Onyango, APRN 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 2019, is newer than 30% of them.

  • NPI issued2019 · 30% of these records are older, 63% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2019 · median 2021 among the 2,245 with a school on file
  • Record last updated2022 · 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).

55 psychiatric/mental health nurse practitioner records list a practice address in Grand Prairie

They are 55 of the 1,203 NPPES records with a practice address in Grand Prairie, and 4,227 psychiatric/mental health nurse practitioner records in Texas.

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

  1. Dorcas Adeniran, PMHNP-BC, FNP-BCGrand Prairie, TX 750511831614965
  2. Gidion Buma, DNP, APRN, PMHNP-BCGrand Prairie, TX 750511942828041
  3. Maya DhilipGrand Prairie, TX 750511255808101
  4. Anthonia Duru, NPGrand Prairie, TX 750511669096905
  5. Juliet Forbi, PMHNPGrand Prairie, TX 750511114680964
  6. Anastasia MatuteGrand Prairie, TX 750511669932976
  7. Ket Melvin-Harris, DNP, FNP-C, PMHNP-BCGrand Prairie, TX 750511588911705
  8. Elvis Ngyia, PHD, NP-C, PMHNP-CGrand Prairie, TX 750511316245558

Common questions

What is Agather Onyango, APRN's NPI number?

Agather Onyango, APRN's National Provider Identifier (NPI) is 1194367813, issued on Oct 14, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Agather Onyango, APRN located?

The NPPES record lists a practice address at 1020 S Carrier Pkwy, Grand Prairie, TX, 75051. Phone: (214) 743-1200. Providers update this record themselves, so call before visiting.

How can I verify Agather Onyango, APRN's license?

NPPES lists Texas license number AP142770, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Agather Onyango, APRN prescribe under Medicare Part D?

In 2024, Agather Onyango, APRN had 2,097 Medicare Part D claims for 95 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.