IOANNIS ANASTASIOU
NPI 1104201532
Internal Medicine - Gastroenterology in Little Rock, AR
About Ioannis Anastasiou NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IOANNIS ANASTASIOU (NPI 1104201532) is an individual gastroenterology provider in Little Rock, Arkansas, licensed in Arkansas (E-12514) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Little Rock.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ioannis Anastasiou is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ioannis Anastasiou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 2,038 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 72205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
LITTLE ROCK, AR 72205
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ioannis Anastasiou's NPI number?
The NPI number for Ioannis Anastasiou is 1104201532. It was assigned to this individual provider in the NPPES registry on July 28, 2015.
Where is Ioannis Anastasiou located?
Ioannis Anastasiou practices at 4301 W Markham St # 783, Little Rock, AR 72205. The listed phone number is (501) 686-8000.
What is Ioannis Anastasiou's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Ioannis Anastasiou enrolled in Medicare?
Yes. Ioannis Anastasiou is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ioannis Anastasiou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ioannis Anastasiou reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ioannis Anastasiou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ioannis Anastasiou accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Ioannis Anastasiou as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ioannis Anastasiou was last updated on December 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.