CLAUDIA MARGARET FEGAN M.D.
NPI 1932211091
Internal Medicine in Chicago, IL
About Claudia Margaret Fegan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAUDIA MARGARET FEGAN M.D. (NPI 1932211091) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036067804) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Claudia Margaret Fegan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Claudia Fegan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 1,047 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
CHICAG, IL 60612
CHICAGO, IL 60612
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 Claudia Fegan's NPI number?
The NPI number for Claudia Fegan is 1932211091. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Claudia Fegan located?
Claudia Fegan practices at 1901 W Harrison St John H. Stroger, Jr. Hospital Of Cook County, Chicago, IL 60612. The listed phone number is (312) 864-6000.
What is Claudia Fegan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Claudia Fegan enrolled in Medicare?
Yes. Claudia Fegan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Claudia Fegan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudia Fegan reassigns Medicare benefits to Cook County (Chicago, 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 Claudia Fegan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claudia Fegan accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Claudia Fegan 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 Claudia Fegan was last updated on April 23, 2021. 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.