Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Windsor Esther, MD

Individual provider Hematology & Oncology Physician · NPI 1174056121

John Windsor Esther, MD is a Hematology/Oncology in Springdale, Arkansas. Graduated from University of Arkansas College of Medicine in 2017, 9 years ago. Practices with Highlands Oncology Group PA, a 77-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Arkansas.

Years since qualifying
9
Trained at
University of Arkansas College of Medicine
Licensed in
AR
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3901 Parkway Cir Ste 100
Springdale, AR 72762-5328
Phone: (479) 581-7170
Fax: (479) 587-1366
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 3232 N Northhills Blvd, Fayetteville, AR 72703-4005 — (479) 587-1700
  • 639 Hospital Dr, Mountain Home, AR 72653-2914 — (479) 587-1700
  • 808 S 52nd St, Rogers, AR 72758-8602 — (479) 587-1700

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence E16209 (AR)

Record details

NPI number1174056121
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2017
Last updated in NPPESJuly 6, 2026
Certification dateJuly 6, 2026
Mailing address3901 Parkway Cir Ste 100, Springdale, AR 72762-5328

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Highlands Oncology Group Pa — 77 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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