NPPES file of Aug 9, 2026

Onomeasike Ataga

Psychiatry Physician · Memphis, TN

Onomeasike Ataga is a psychiatry physician with a practice address in Memphis, Tennessee, and NPI 1295223543, issued on Apr 23, 2018. Check the license (Tennessee 66624, as entered in NPPES) on the Tennessee Board of Medical Examiners; 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
1295223543
Name
Onomeasike Ataga
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
66624 TN
Self-reported in NPPES; status is on the state search
Practice location
920 Madison Ave Ste 200, Memphis, TN 38103
Phone
(901) 448-2400
Enumerated
Apr 23, 2018
Record last updated
Mar 26, 2025
Fax
(901) 302-2420
Medicare enrollment
Enrolled (PECOS I20240125001210); 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 psychiatry physician records → All 731 in Tennessee → Look up another NPI →

Also registered at 920 Madison Ave Ste 200

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

  1. Alicia Barnes, DOChild & Adolescent Psychiatry Physician1720364086
  2. Kelsey Bastian, MDPsychiatry Physician1710546213
  3. Iverson Bell, MDPsychiatry Physician1073529046
  4. Ronald Cowan, MDPsychiatry Physician1912094020
  5. Paul Hill, M.D.Psychiatry Physician1740283910
  6. Rachel McCannPsychiatry Physician1700535556

Verify Onomeasike Ataga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 66624    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
Open the Tennessee 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. UT Medical Group IncMemphis, TN

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

Onomeasike Ataga among 731 psychiatry physician records in Tennessee

Onomeasike Ataga is one of 731 psychiatry physician records with a practice address in Tennessee. 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 2018, is newer than 85% of them.

  • NPI issued2018 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2006 · median 2003 among the 329 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Tennessee

There are 731 psychiatry physician records in Tennessee.

All 731 in Tennessee → Every provider in Memphis → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Scott Armstrong, MDMemphis, TN 381031588313340
  2. Kelsey Bastian, MDMemphis, TN 381031710546213
  3. Iverson Bell, MDMemphis, TN 381031073529046
  4. Akshar Brahmbhatt, DOMemphis, TN 381031114506458
  5. Ronald Cowan, MDMemphis, TN 381031912094020
  6. Brett George, M.D.Memphis, TN 381031104272293
  7. Paul Hill, M.D.Memphis, TN 381031740283910
  8. Rachel McCannMemphis, TN 381031700535556

Common questions

What is Onomeasike Ataga's NPI number?

Onomeasike Ataga's National Provider Identifier (NPI) is 1295223543, issued on Apr 23, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Onomeasike Ataga located?

The NPPES record lists a practice address at 920 Madison Ave Ste 200, Memphis, TN, 38103. Phone: (901) 448-2400. Providers update this record themselves, so call before visiting.

How can I verify Onomeasike Ataga's license?

NPPES lists Tennessee license number 66624, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.