NPPES file of Aug 9, 2026

John Clanton Leach, M.D.

Psychiatry Physician · Little Rock, AR

John Clanton Leach, M.D. is a psychiatry physician with a practice address in Little Rock, Arkansas, and NPI 1386902856, issued on May 2, 2012. Check the license (Arkansas E9658, as entered in NPPES) on the Arkansas State Medical Board; 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
1386902856
Name
John Clanton Leach
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
E9658 AR
Self-reported in NPPES; status is on the state search
Practice location
4301 W Markham St, Little Rock, AR 72205
Phone
(501) 690-2373
Enumerated
May 2, 2012
Record last updated
Oct 14, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221027003306); accepts Medicare assignment
Medical or professional school
University Of Arkansas College Of Medicine, 2012
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 4301 W Markham St

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

  1. Mohamed Abdeldayem, M.D.Anesthesiology Physician1417316860
  2. Hashane AbeyagunawardeneStudent in an Organized Health Care Education/Training Program1033040365
  3. Abdallah Abou-DiabStudent in an Organized Health Care Education/Training Program1346182524
  4. Ahmed Abuabdou, M.D.Internal Medicine Physician1245547702
  5. Dana Abulez, MSEStudent in an Organized Health Care Education/Training Program1710716915
  6. Erin Adams, MDStudent in an Organized Health Care Education/Training Program1225822406

Verify John Clanton Leach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArkansas State Medical Board
    Search for license E9658
    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 Arkansas license search

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70% fewer Medicare Part D claims than the average psychiatry physician in 2024

299 Medicare Part D claims for 55 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. John Leach299
  2. Specialty average1,000

Most prescribed

  1. Mirtazapine16 claims
  2. Olanzapine14 claims
  3. Hydroxyzine Pamoate12 claims
  4. Escitalopram Oxalate11 claims
  5. Meloxicam11 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: $13.99

1 payment: food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Leach$13.99
  2. Specialty average$4,954.93

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. Uhs OF Peachford, L.P.Atlanta, GA

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

John Clanton Leach among 329 psychiatry physician records in Arkansas

John Clanton Leach, M.D. is one of 329 psychiatry physician records with a practice address in Arkansas. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.

  • NPI issued2012 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2012 · median 2005 among the 151 with a school on file
  • Record last updated2016 · 62% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Arkansas

There are 329 psychiatry physician records in Arkansas.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Steven Domon, M.D.Little Rock, AR 722051740268390
  2. Kenneth Dowless, M.D.Little Rock, AR 722051649258096
  3. Gail Eisenhauer, M.D.Little Rock, AR 722051710946264
  4. Florence GuthrieLittle Rock, AR 722051306887955
  5. Oliver Hall, M.D.Little Rock, AR 722051720066020
  6. Albert Kittrell, M.D.Little Rock, AR 722051013995489
  7. Charles Lewis, M.D.Little Rock, AR 722051376540765
  8. Carlene Lyle, M.D.Little Rock, AR 722051043272990

Common questions

What is John Clanton Leach, M.D.'s NPI number?

John Clanton Leach, M.D.'s National Provider Identifier (NPI) is 1386902856, issued on May 2, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Clanton Leach, M.D. located?

The NPPES record lists a practice address at 4301 W Markham St, Little Rock, AR, 72205. Phone: (501) 690-2373. Providers update this record themselves, so call before visiting.

How can I verify John Clanton Leach, M.D.'s license?

NPPES lists Arkansas license number E9658, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Clanton Leach, M.D. prescribe under Medicare Part D?

In 2024, John Clanton Leach, M.D. had 299 Medicare Part D claims for 55 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.