GEORGE N ATIA M.D.
NPI 1770580029
Internal Medicine - Gastroenterology in Barrington, IL
About George N Atia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEORGE N ATIA M.D. (NPI 1770580029) is an individual gastroenterology provider in Barrington, Illinois, licensed in Illinois (036096799) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
George N Atia M.d. 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 George Atia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Barrington, IL 60010
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: George N Atia MD Sc
- 28 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.
Areas of Expertise CMS Part B claims 27
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Sherman Hospital
Acute Care Hospitals · Elgin, ILAdvocate Illinois Masonic Medical Center
Acute Care Hospitals · Chicago, ILPresence Saint Joseph Hospital - Chicago
Acute Care Hospitals · Chicago, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILAdvocate Good Shepherd Hospital
Acute Care Hospitals · Barrington, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60010 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 George Atia's NPI number?
The NPI number for George Atia is 1770580029. It was assigned to this individual provider in the NPPES registry on July 1, 2005.
Where is George Atia located?
George Atia practices at 200 Fox Glen Ct, Barrington, IL 60010. The listed phone number is (847) 382-7165.
What is George Atia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is George Atia enrolled in Medicare?
Yes. George Atia 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 George Atia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), George Atia reassigns Medicare benefits to George N Atia, M.D., S.C. (Barrington, IL). 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 George Atia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is George Atia affiliated with any hospitals?
According to CMS data, George Atia is affiliated with Advocate Sherman Hospital, Advocate Illinois Masonic Medical Center, Presence Saint Joseph Hospital - Chicago, Northwestern Medicine Central Dupage Hospital and Advocate Good Shepherd Hospital.
When was this NPI record last updated?
The NPPES record for George Atia was last updated on December 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.