NPPES file of Aug 9, 2026

Onyinye M. Akunna

Psychiatric/Mental Health Nurse Practitioner · Michigan, MI

Onyinye M. Akunna is a psychiatric/mental health nurse practitioner with a practice address in Michigan, Michigan, and NPI 1841947421, issued on Mar 3, 2022. Check the license (Michigan 4704369548, as entered in NPPES) with the Michigan 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
1841947421
Name
Onyinye M. Akunna
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
4704369548 MI
RN.448256 OH
10019031 OR
Self-reported in NPPES; status is on the state search
Practice location
418 N Main Street, Royal Oak, Michigan, MI 48067
Phone
(567) 312-3109
Enumerated
Mar 3, 2022
Record last updated
Jul 8, 2026
Medicare enrollment
Enrolled (PECOS I20241023003269); 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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Verify Onyinye M. Akunna in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704369548
    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
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97% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

24 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Onyinye Akunna24
  2. Specialty average906

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: $203.62

8 payments; by number, the most common kind was 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. Onyinye Akunna$203.62
  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. State OF Ohio Office OF Budget And Management State AccountingToledo, OH

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

Psychiatric/Mental Health Nurse Practitioner providers in Michigan

There are 931 psychiatric/mental health nurse practitioner records in Michigan.

Other psychiatric/mental health nurse practitioner records in Michigan

  1. Abdulai Abu-JajahBrownstown Twp, MI1871360040
  2. Godfrey AbuyaKentwood, MI1184352478
  3. Nichole Accetta, NPWyoming, MI1093111734
  4. Lexi-Jo Ackels, PMHNP-BCBay City, MI1861348906
  5. Miriam Adam, DNPAlma, MI1427141035
  6. Charmaine AdegeyeSouthfield, MI1003393695
  7. Marie Adkins, DNP, APRN, PMHNP-BCRochester Hills, MI1164371753
  8. Eberechukwu Agulanna, PMHNP-BCWaterford, MI1316756174
  9. Hassan Ajami, NURSE PRACTITIONERDearborn, MI1568218832
  10. Soha AlammouryWestland, MI1750730834

Common questions

What is Onyinye M. Akunna's NPI number?

Onyinye M. Akunna's National Provider Identifier (NPI) is 1841947421, issued on Mar 3, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Onyinye M. Akunna located?

The NPPES record lists a practice address at 418 N Main Street, Royal Oak, Michigan, MI, 48067. Phone: (567) 312-3109. Providers update this record themselves, so call before visiting.

How can I verify Onyinye M. Akunna's license?

NPPES lists Michigan license number 4704369548, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does Onyinye M. Akunna prescribe under Medicare Part D?

In 2024, Onyinye M. Akunna had 24 Medicare Part D claims; 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.