GEORGIOS ANTONIOS SIDERIS MD
NPI 1477057222
Radiology - Diagnostic Radiology in Providence, RI
About Georgios Antonios Sideris Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGIOS ANTONIOS SIDERIS MD (NPI 1477057222) is an individual diagnostic radiology provider in Providence, Rhode Island, licensed in Rhode Island (MD20303) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Roger Williams Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Georgios Antonios Sideris Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Georgios Sideris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Providence, RI 02903
- Reassigned Medicare billing, Rhode Island enrollment
- 99 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Roger Williams Medical Center
Acute Care Hospitals · Providence, RIOur Lady Of Fatima Hospital
Acute Care Hospitals · North Providence, RINewport Hospital
Acute Care Hospitals · Newport, RIRhode Island Hospital
Acute Care Hospitals · Providence, RIThe Miriam Hospital
Acute Care Hospitals · Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02903 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.
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
PROVIDENCE, RI 02903
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 Georgios Sideris's NPI number?
The NPI number for Georgios Sideris is 1477057222. It was assigned to this individual provider in the NPPES registry on March 19, 2018.
Where is Georgios Sideris located?
Georgios Sideris practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-5174.
What is Georgios Sideris's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Georgios Sideris enrolled in Medicare?
Yes. Georgios Sideris is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Georgios Sideris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Georgios Sideris reassigns Medicare benefits to Rhode Island Medical Imaging Inc (Providence, RI). 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 Georgios Sideris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Georgios Sideris accept?
Health plans from WellSense Health Plan list Georgios Sideris 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.
Is Georgios Sideris affiliated with any hospitals?
According to CMS data, Georgios Sideris is affiliated with Roger Williams Medical Center, Our Lady Of Fatima Hospital, Newport Hospital, Rhode Island Hospital and The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for Georgios Sideris was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Georgios Antonios Sideris, MD · NPI 1477057222
Diagnostic Radiology physician in Providence, Rhode Island. Individual provider, active in the CMS NPPES registry since March 19, 2018.
## Identity
- **NPI:** 1477057222 (Entity type: Individual)
- **Enumerated:** March 19, 2018
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** MD20303 (Rhode Island)
- **Sole proprietor:** No
## Practice location
- **Address:** 593 EDDY ST, Providence, RI 02903-4923
- **Phone:** (401) 444-5174
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rhode Island Medical Imaging Inc (NPI 1942376033, Providence, RI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1477057222) · Data from the CMS NPPES public registry.