Ioannis Anastasiou
Gastroenterology Physician · Little Rock, AR
Ioannis Anastasiou is a gastroenterology physician with a practice address in Little Rock, Arkansas, and NPI 1104201532, issued on Jul 28, 2015. Check the license (Arkansas E-12514, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ioannis Anastasiou
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- E-12514 AR
Self-reported in NPPES; status is on the state search - Practice location
- 4301 W Markham St # 783, Little Rock, AR 72205
- Phone
- (501) 686-8000
- Enumerated
- Jul 28, 2015
- Record last updated
- Dec 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 119 in Arkansas → Look up another NPI →
Also registered at 4301 W Markham St # 783
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edmund Adams, PA-CMedical Physician Assistant1073533436
- Jibran Ahmed, M.DHematology & Oncology Physician1780091975
- Victoria Akins, MDGeriatric Medicine (Family Medicine) Physician1790875268
- Awad Alaid, MDStudent in an Organized Health Care Education/Training Program1386845501
- Daisy Alapat, MDAnatomic Pathology & Clinical Pathology Physician1689812190
- James Anderson, CRNACertified Registered Nurse Anesthetist1154318863
Verify Ioannis Anastasiou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license E-12514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average gastroenterology physician in 2024
20 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium16 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.
Ioannis Anastasiou among 119 gastroenterology physician records in Arkansas
Ioannis Anastasiou is one of 119 gastroenterology physician records with a practice address in Arkansas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arkansas
There are 119 gastroenterology physician records in Arkansas.
All 119 in Arkansas → Every provider in Little Rock → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Baber, MDLittle Rock, AR 722051699762484
- Glenn Davis, MDLittle Rock, AR 722051568450757
- Jonathan Dranoff, MDLittle Rock, AR 722051669458469
- Otis Gordon, M.D.Little Rock, AR 722051851355218
- Ronald Hardin, M.D.Little Rock, AR 722051356312433
- D Kumpuris, MDLittle Rock, AR 722051932197118
- William McKnight, MDLittle Rock, AR 722051740248459
- Tom Meziere, M.D.Little Rock, AR 722051750385563
Common questions
What is Ioannis Anastasiou's NPI number?
Ioannis Anastasiou's National Provider Identifier (NPI) is 1104201532, issued on Jul 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ioannis Anastasiou located?
The NPPES record lists a practice address at 4301 W Markham St # 783, Little Rock, AR, 72205. Phone: (501) 686-8000. Providers update this record themselves, so call before visiting.
How can I verify Ioannis Anastasiou's license?
NPPES lists Arkansas license number E-12514, 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 Ioannis Anastasiou prescribe under Medicare Part D?
In 2024, Ioannis Anastasiou had 20 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.