Physician Profile
Unclaimed ProfileAbout ESTHER
John Windsor Esther, M.D. practices hematology/oncology in Springdale, AR. John is a 2017 graduate of University of Arkansas College of Medicine. John is also listed as specializing in hematology & oncology. Medicare claims data shows John provided 187,589 services to 3,216 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (479) 581-7170
- Email not available
Practice Locations
3901 PARKWAY CIR STE 100
Springdale, AR 72762
Procedures Most Often Billed to Medicare
187,589 services · 3,216 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection, nivolumab, 1 mg | Drug given | J9299 |
22,960 |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
14,800 |
| Injection, gadoterate meglumine, 0.1 ml | A9575 |
13,100 | |
| Injection, daratumumab, 10 mg and hyaluronidase-fihj | Drug given | J9144 |
9,900 |
| Injection, testosterone cypionate, 1 mg | Drug given | J1071 |
8,950 |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
8,100 |
| Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | Drug given | J1561 |
7,608 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
6,480 |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
6,002 |
| Injection, epoetin alfa, (for non-esrd use), 1000 units | Drug given | J0885 |
5,094 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hematology/oncology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 17 related providers in 3 groups
Other hematology/oncology specialists in Springdale 1
Same specialty, same city.
Trained at University of Arkansas College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at University of Arkansas College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Esther specialize in?
Dr. Esther is a hematology/oncology in Springdale, AR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where is Dr. Esther located?
Dr. Esther is listed at 3901 PARKWAY CIR STE 100, Springdale, AR 72762. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Esther's phone number?
The number on file is (479) 581-7170. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Esther?
Dr. Esther's National Provider Identifier is 1174056121. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Esther go to medical school?
Dr. Esther attended University of Arkansas College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Esther have?
Dr. Esther has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Esther do most often?
According to Medicare billing data, Dr. Esther the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Esther's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Esther. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.