MRS. MADHAVI NAGILLA M.D.
NPI 1639314834
Internal Medicine in Chicago, IL
About Mrs. Madhavi Nagilla M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MADHAVI NAGILLA M.D. (NPI 1639314834) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036.129619) and active in the NPI registry since December 2008. She is enrolled in Medicare PECOS, is affiliated with St Mary Medical Center, and is a graduate of Other (2004).
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 and accepts Medicare assignment
Mrs. Madhavi Nagilla 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 Reassignments
4Medicare enrollment records show Madhavi Nagilla reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Zion, IL 60099
- Reassigned Medicare billing, Illinois enrollment
- 253 clinicians in this Medicare group
Levittown, PA 19057
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Mercer Bucks Medical Associates PC
- 59 clinicians in this Medicare group
Hamilton, NJ 08619
- Reassigned Medicare billing, New Jersey and Pennsylvania enrollments
- 39 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 3
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary Medical Center
Acute Care Hospitals · Langhorne, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60674 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.
CHICAGO, IL 60674
CHICAGO, IL 60674
CHICAGO, IL 60674
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 Madhavi Nagilla's NPI number?
The NPI number for Madhavi Nagilla is 1639314834. It was assigned to this individual provider in the NPPES registry on December 3, 2008.
Where is Madhavi Nagilla located?
Madhavi Nagilla practices at 2361 Paysphere Cir, Chicago, IL 60674. The listed phone number is (847) 746-4358.
What is Madhavi Nagilla's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Madhavi Nagilla enrolled in Medicare?
Yes. Madhavi Nagilla 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 organizations bill Medicare for Madhavi Nagilla's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madhavi Nagilla reassigns Medicare benefits to 4 organizations: Endeavor Health Medical Group (Evanston, IL), City Of Hope Medical Group Of Illinois PLLC (Zion, IL), Mercer Bucks Medical Associates, P.C. (Levittown, PA) and First Docs LLC (Hamilton, NJ). Each 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 Madhavi Nagilla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Madhavi Nagilla accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Madhavi Nagilla 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 Madhavi Nagilla affiliated with any hospitals?
According to CMS data, Madhavi Nagilla is affiliated with St Mary Medical Center.
When was this NPI record last updated?
The NPPES record for Madhavi Nagilla was last updated on March 6, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mrs. Madhavi Nagilla, M.D. · NPI 1639314834
Internal Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since December 3, 2008.
## Identity
- **NPI:** 1639314834 (Entity type: Individual)
- **Enumerated:** December 3, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 036.129619 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2361 PAYSPHERE CIR, Chicago, IL 60674
- **Phone:** (847) 746-4358
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Endeavor Health Medical Group (NPI 1497701882, Evanston, IL); City Of Hope Medical Group Of Illinois PLLC (NPI 1548258072, Zion, IL); Mercer Bucks Medical Associates, P.C. (NPI 1952485971, Levittown, PA); First Docs LLC (NPI 1154936227, Hamilton, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** March 6, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1639314834) · Data from the CMS NPPES public registry.