John Windsor Esther, M.D.
Hematology & Oncology Physician · Springdale, AR
John Windsor Esther, M.D. is a hematology & oncology physician with a practice address in Springdale, Arkansas, and NPI 1174056121, issued on Apr 6, 2017. Check the license (Arkansas E16209, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Windsor Esther
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- E16209 AR
Self-reported in NPPES; status is on the state search - Practice location
- 3901 Parkway Cir Ste 100, Springdale, AR 72762
- Phone
- (479) 581-7170
- Enumerated
- Apr 6, 2017
- Record last updated
- Jul 6, 2026
- Fax
- (479) 587-1366
- Medicare enrollment
- Enrolled (PECOS I20230703001332); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 103 in Arkansas → Look up another NPI →
Also registered at 3901 Parkway Cir Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- J Beck, M.D., F.A.C.P.Hematology & Oncology Physician1952372120
- Michael Childs, MDUrology Physician1568669448
- Bailey GotteFamily Nurse Practitioner1952258386
- Jami Howell, PA-CPhysician Assistant1578234365
- Leslie Landrum, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1104842483
- Hailey Matthew, MSN, FNP-CFamily Medicine Physician1922924927
Verify John Windsor Esther in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E16209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,801 Medicare Part D claims for 337 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 163 claims were for opioids.
Most prescribed
- Ondansetron Odt83 claims
- Levofloxacin79 claims
- Prochlorperazine Maleate70 claims
- Oxycodone Hcl67 claims
- Xarelto63 claims
- Prednisone60 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,725.05
67 payments; by number, the most common kind was food and beverage; the largest payer was PharmaEssentia USA Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Highlands Oncology Group PARogers, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Windsor Esther among 103 hematology & oncology physician records in Arkansas
John Windsor Esther, M.D. is one of 103 hematology & oncology 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 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2017 · median 2002 among the 80 with a school on file
- Record last updated2026 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Arkansas
There are 103 hematology & oncology physician records in Arkansas.
All 103 in Arkansas → Every provider in Springdale → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- J Beck, M.D., F.A.C.P.Springdale, AR 727621952372120
- Ashley Hickman, MDSpringdale, AR 727621356803944
- Ewa Matczak, MDSpringdale, AR 727621346478468
- Jennifer Porta, D.OSpringdale, AR 727621699209478
- Patrick Travis, M.D.Springdale, AR 727621104897099
- Daniel Bradford, M.D.Rogers, AR 727581033180229
- James Lopez, M.D.Rogers, AR 727581699206946
- Eric Schaefer, M.D.Rogers, AR 727581558325118
Common questions
What is John Windsor Esther, M.D.'s NPI number?
John Windsor Esther, M.D.'s National Provider Identifier (NPI) is 1174056121, issued on Apr 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Windsor Esther, M.D. located?
The NPPES record lists a practice address at 3901 Parkway Cir Ste 100, Springdale, AR, 72762. Phone: (479) 581-7170. Providers update this record themselves, so call before visiting.
How can I verify John Windsor Esther, M.D.'s license?
NPPES lists Arkansas license number E16209, 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 Windsor Esther, M.D. prescribe under Medicare Part D?
In 2024, John Windsor Esther, M.D. had 1,801 Medicare Part D claims for 337 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is John Windsor Esther, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.