John P. Mounsey, M.D.
Clinical Cardiac Electrophysiology Physician · Little Rock, AR
John P. Mounsey, M.D. is a clinical cardiac electrophysiology physician with a practice address in Little Rock, Arkansas, and NPI 1235295908, issued on Dec 28, 2006. Check the license (Arkansas E-12598, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- John P. Mounsey
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- E-12598 AR
E-125998 AR
200700806 NC
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 532, Little Rock, AR 72205
- Phone
- (501) 686-5311
- Enumerated
- Dec 28, 2006
- Record last updated
- Jan 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (501) 686-5935
- Medicaid IDs
- 006092969 VA
5907167 NC
1235295908 NC - Medicare enrollment
- Enrolled (PECOS I20200106001375); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 29 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 532
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mahesh Anantha Narayanan, MDInterventional Cardiology Physician1154763449
- Robin Ball, APRNGerontology Nurse Practitioner1649947276
- Penny Bettis, APRN-CNPAcute Care Nurse Practitioner1134767627
- Tom Bozzay, PA-CPhysician Assistant1639346620
- Michael Clardy, DNP, AGACNPAcute Care Nurse Practitioner1922796473
- Subodh Devabhaktuni, MDClinical Cardiac Electrophysiology Physician1144459686
Verify John P. Mounsey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-12598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
512 Medicare Part D claims for 80 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Eliquis101 claims
- Metoprolol Succinate75 claims
- Flecainide Acetate37 claims
- Carvedilol35 claims
- Dofetilide33 claims
- Losartan Potassium18 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: $1,403.29
12 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- University OF Arkansas For Medical SciencesFort Smith, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Mounsey among 29 clinical cardiac electrophysiology physician records in Arkansas
John P. Mounsey, M.D. is one of 29 clinical cardiac electrophysiology physician records with a practice address in Arkansas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 41% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated1987 · median 1999 among the 26 with a school on file
- Record last updated2020 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Arkansas
There are 29 clinical cardiac electrophysiology physician records in Arkansas.
All 29 in Arkansas → Every provider in Little Rock → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Mangaraju Chakka, M.D.Little Rock, AR 722051104862200
- Subodh Devabhaktuni, MDLittle Rock, AR 722051144459686
- Gerald Greer, MDLittle Rock, AR 722051811943400
- Prabhat Hebbar, M.D.Little Rock, AR 722051245215243
- Risheek Kaul, M.DLittle Rock, AR 722051871943852
- Eleanor Kennedy, MDLittle Rock, AR 722051770594301
- Brian Norris, M.D.Little Rock, AR 722051720003031
- Hakan Paydak, MDLittle Rock, AR 722051871547828
Common questions
What is John P. Mounsey, M.D.'s NPI number?
John P. Mounsey, M.D.'s National Provider Identifier (NPI) is 1235295908, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Mounsey, M.D. located?
The NPPES record lists a practice address at 4301 W Markham St # 532, Little Rock, AR, 72205. Phone: (501) 686-5311. Providers update this record themselves, so call before visiting.
How can I verify John P. Mounsey, M.D.'s license?
NPPES lists Arkansas license number E-12598, 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 P. Mounsey, M.D. prescribe under Medicare Part D?
In 2024, John P. Mounsey, M.D. had 512 Medicare Part D claims for 80 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.