Konstantinos Arnaoutakis, M.D.
Hematology & Oncology Physician · Little Rock, AR
Konstantinos Arnaoutakis, M.D. is a hematology & oncology physician with a practice address in Little Rock, Arkansas, and NPI 1053426304, issued on Aug 19, 2006. Check the license (Arkansas E5915, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Konstantinos Arnaoutakis
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- E5915 AR
228798 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 508, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- Aug 19, 2006
- Record last updated
- Jul 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090622000197); accepts Medicare assignment
- 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 4301 W Markham St # 508
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ramya Bachu, MDInternal Medicine Physician1215490578
- Alan Baltz, MDHematology & Oncology Physician1407352040
- Hira Cheema, M.D.Internal Medicine Physician1609258938
- Sasya Dronavalli, MDInternal Medicine Physician1457735193
- Cesar Gentille Sanchez, MDMedical Oncology Physician1215311600
- Jessica Holloway, PA, RN, EMTPhysician Assistant1326261199
Verify Konstantinos Arnaoutakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E5915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
667 Medicare Part D claims for 104 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 41 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate40 claims
- Dexamethasone38 claims
- Potassium Chloride33 claims
- Eliquis29 claims
- Albuterol Sulfate Hfa26 claims
- Prednisone26 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: $2,421.86
6 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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
- University OF Arkansas For Medical SciencesLittle Rock, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Konstantinos Arnaoutakis among 103 hematology & oncology physician records in Arkansas
Konstantinos Arnaoutakis, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 51% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1998 · median 2002 among the 80 with a school on file
- Record last updated2009 · 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 Little Rock → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Joseph Beck, MDLittle Rock, AR 722051568441368
- Anthony Bucolo, M.D.Little Rock, AR 722051497752638
- Peter Emanuel, MDLittle Rock, AR 722051205844594
- Mariann Harrington, M.D.Little Rock, AR 722051184606071
- Kewen Jauss, M.D.Little Rock, AR 722051609984368
- Anuradha Kunthur, MDLittle Rock, AR 722051770526147
- Lawrence Mendelsohn, MDLittle Rock, AR 722051295717189
- Balagopalan Nair, M.D.Little Rock, AR 722051063494953
Common questions
What is Konstantinos Arnaoutakis, M.D.'s NPI number?
Konstantinos Arnaoutakis, M.D.'s National Provider Identifier (NPI) is 1053426304, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Konstantinos Arnaoutakis, M.D. located?
The NPPES record lists a practice address at 4301 W Markham St # 508, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Konstantinos Arnaoutakis, M.D.'s license?
NPPES lists Arkansas license number E5915, 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 Konstantinos Arnaoutakis, M.D. prescribe under Medicare Part D?
In 2024, Konstantinos Arnaoutakis, M.D. had 667 Medicare Part D claims for 104 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.