Joseph Aaron Koon
Internal Medicine Physician · Benton, AR
Joseph Aaron Koon is an internal medicine physician with a practice address in Benton, Arkansas, and NPI 1922687649, issued on Apr 8, 2021. Check the license (Arkansas E-16850, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joseph Aaron Koon
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- E-16850 AR
Self-reported in NPPES; status is on the state search - Practice location
- 819 W Carpenter St, Benton, AR 72015
- Phone
- (501) 778-8264
- Enumerated
- Apr 8, 2021
- Record last updated
- Jul 15, 2024
- Fax
- (501) 778-7360
- Medicare enrollment
- Enrolled (PECOS I20240628003498); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 768 in Arkansas → Look up another NPI →
Also registered at 819 W Carpenter St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janna Hawthorne, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1659807691
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Verify Joseph Aaron Koon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-16850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average internal medicine physician in 2024
819 Medicare Part D claims for 182 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium88 claims
- Amlodipine Besylate41 claims
- Losartan Potassium35 claims
- Levothyroxine Sodium34 claims
- Metformin Hcl31 claims
- Gabapentin27 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: $491.71
27 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Arkansas Health GroupBenton, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Aaron Koon among 768 internal medicine physician records in Arkansas
Joseph Aaron Koon is one of 768 internal medicine physician records with a practice address in Arkansas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 9% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · median 2010 among the 519 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 internal medicine physician records list a practice address in Benton
They are 10 of the 1,934 NPPES records with a practice address in Benton, and 768 internal medicine physician records in Arkansas.
All 768 in Arkansas → Every provider in Benton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Clay Brashears, M.D.Benton, AR 720151265430201
- Jim Brewer, M.D.Benton, AR 720151275599987
- Daniel Cartaya, M.D.Benton, AR 720151225090962
- George Dicus, MDBenton, AR 720151033100433
- Phillip Din, MDBenton, AR 720151255549598
- Edward Hill, M.D.Benton, AR 720151255394466
- Mark Martindale, M.D.Benton, AR 720151205911849
- Aryeh Rafailovich-SokolovBenton, AR 720151871085860
Common questions
What is Joseph Aaron Koon's NPI number?
Joseph Aaron Koon's National Provider Identifier (NPI) is 1922687649, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Aaron Koon located?
The NPPES record lists a practice address at 819 W Carpenter St, Benton, AR, 72015. Phone: (501) 778-8264. Providers update this record themselves, so call before visiting.
How can I verify Joseph Aaron Koon's license?
NPPES lists Arkansas license number E-16850, 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 Joseph Aaron Koon prescribe under Medicare Part D?
In 2024, Joseph Aaron Koon had 819 Medicare Part D claims for 182 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.