DR. GREGORY GERMAN NERI M.D.
NPI 1679607485
Radiology - Diagnostic Radiology in Naperville, IL
About Dr. Gregory German Neri M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY GERMAN NERI M.D. (NPI 1679607485) is an individual diagnostic radiology provider in Naperville, Illinois, licensed in Illinois (036118705) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with The University Of Chicago Medical Center, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Gregory German Neri 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 Gregory Neri reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aurora, IL 60506
- Reassigned Medicare billing, Illinois enrollment
- 21 clinicians in this Medicare group
Olympia Fields, IL 60461
- Reassigned Medicare billing, Illinois enrollment
- 228 clinicians in this Medicare group
Dekalb, IL 60115
- Reassigned Medicare billing, Illinois enrollment
- 22 clinicians in this Medicare group
Indianapolis, IN 46260
- Reassigned Medicare billing, Illinois enrollment
- 83 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 30
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.
The University Of Chicago Medical Center
Acute Care Hospitals · Chicago, ILFranciscan Health Olympia & Chicago Heights
Acute Care Hospitals · Olympia Fields, ILHeartland Regional Medical Center
Acute Care Hospitals · Marion, ILIngalls Memorial Hospital
Acute Care Hospitals · Harvey, ILFairfield Memorial Hospital 1
Critical Access Hospitals · Fairfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60564 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.
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 Gregory Neri's NPI number?
The NPI number for Gregory Neri is 1679607485. It was assigned to this individual provider in the NPPES registry on March 15, 2007.
Where is Gregory Neri located?
Gregory Neri practices at 2731 Showplace Dr Unit 302, Naperville, IL 60564. The listed phone number is (312) 623-0381.
What is Gregory Neri's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Gregory Neri enrolled in Medicare?
Yes. Gregory Neri 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 Gregory Neri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Neri reassigns Medicare benefits to 4 organizations: Aurora Radiology Consultants, S.C. (Aurora, IL), Specialists In Medical Imaging Sc (Olympia Fields, IL), Aurora Radiology Consultants - Dekalb LLC (Dekalb, IL) and Imaging Associates Of Indiana, PC (Indianapolis, IN). 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 Gregory Neri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gregory Neri affiliated with any hospitals?
According to CMS data, Gregory Neri is affiliated with The University Of Chicago Medical Center, Franciscan Health Olympia & Chicago Heights, Heartland Regional Medical Center, Ingalls Memorial Hospital and Fairfield Memorial Hospital 1.
When was this NPI record last updated?
The NPPES record for Gregory Neri was last updated on November 7, 2016. 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.