NPPES file of Aug 9, 2026

Nathaniel Alaka'i Aquino, DO

Psychiatry Physician · Lexington, KY

Nathaniel Alaka'i Aquino, DO is a psychiatry physician with a practice address in Lexington, Kentucky, and NPI 1457988800, issued on Mar 25, 2020. Check the license (Kentucky 06100, as entered in NPPES) on the Kentucky Board of Medical Licensure; 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
1457988800
Name
Nathaniel Alaka'i Aquino
Credential
DO
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
06100 KY
Self-reported in NPPES; status is on the state search
Practice location
1350 Bull Lea RD, Lexington, KY 40511
Phone
(859) 246-8000
Enumerated
Mar 25, 2020
Record last updated
Nov 5, 2025
Fax
(859) 246-8032
Medicare enrollment
Enrolled (PECOS I20250721003988); accepts Medicare assignment
Medical or professional school
Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2020
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 1350 Bull Lea RD

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

  1. Christian Adams, MDPsychiatry Physician1275094492
  2. Nicole Akey, PA-CPhysician Assistant1255815056
  3. Chelsea Atwater, D.O.Psychiatry Physician1639532534
  4. Jacqueline Barclay, APRNPsychiatric/Mental Health Nurse Practitioner1962656850
  5. Jeremy Chandler, PA-CMedical Physician Assistant1386199891
  6. Jacqueline Cleary, DOPsychiatry Physician1902556301

Verify Nathaniel Alaka'i Aquino in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 06100
    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 Kentucky 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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74% fewer Medicare Part D claims than the average psychiatry physician in 2024

256 Medicare Part D claims for 61 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Nathaniel Aquino256
  2. Specialty average1,000

Most prescribed

  1. Clonazepam25 claims
  2. Amlodipine Besylate12 claims
  3. Atorvastatin Calcium12 claims
  4. Bupropion Xl12 claims
  5. Fluoxetine Hcl11 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.

Bills Medicare through one group practice

  1. Kentucky Medical Services Foundation, IncLexington, KY

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

Nathaniel Alaka'i Aquino among 503 psychiatry physician records in Kentucky

Nathaniel Alaka'i Aquino, DO is one of 503 psychiatry physician records with a practice address in Kentucky. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.

  • NPI issued2020 · 91% of these records are older, 6% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated2020 · median 2003 among the 226 with a school on file
  • Record last updated2025 · 63% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Kentucky

There are 503 psychiatry physician records in Kentucky.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Christian Adams, MDLexington, KY 405111275094492
  2. Muhammad Ashfaq, MDLexington, KY 405111205035045
  3. Chelsea Atwater, D.O.Lexington, KY 405111639532534
  4. Vincent Blanch, MDLexington, KY 405111699966473
  5. Jacqueline Cleary, DOLexington, KY 405111902556301
  6. Andrew Cooley, M.D.Lexington, KY 405111265482707
  7. Fiona Doherty, M.D.Lexington, KY 405111336222751
  8. Terence Meehan, MDLexington, KY 405111518396753

Common questions

What is Nathaniel Alaka'i Aquino, DO's NPI number?

Nathaniel Alaka'i Aquino, DO's National Provider Identifier (NPI) is 1457988800, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel Alaka'i Aquino, DO located?

The NPPES record lists a practice address at 1350 Bull Lea RD, Lexington, KY, 40511. Phone: (859) 246-8000. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel Alaka'i Aquino, DO's license?

NPPES lists Kentucky license number 06100, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nathaniel Alaka'i Aquino, DO prescribe under Medicare Part D?

In 2024, Nathaniel Alaka'i Aquino, DO had 256 Medicare Part D claims for 61 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.