DR. STELIOS MANTIS MD
NPI 1437314739
Pediatrics - Pediatric Endocrinology in Chicago, IL
About Dr. Stelios Mantis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STELIOS MANTIS MD (NPI 1437314739) is an individual pediatric endocrinology provider in Chicago, Illinois, licensed in Illinois (036122330) and active in the NPI registry since July 2008. He 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)
Dr. Stelios Mantis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Stelios Mantis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,127 clinicians in this Medicare group
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- 2,169 clinicians in this Medicare group
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.
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.
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 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, 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 Stelios Mantis's NPI number?
The NPI number for Stelios Mantis is 1437314739. It was assigned to this individual provider in the NPPES registry on July 25, 2008.
Where is Stelios Mantis located?
Stelios Mantis practices at 1725 W Harrison St Suite 710, Chicago, IL 60612. The listed phone number is (312) 942-3034.
What is Stelios Mantis's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Stelios Mantis enrolled in Medicare?
Yes. Stelios Mantis is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stelios Mantis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stelios Mantis reassigns Medicare benefits to 3 organizations: The Board Of Trustees Of The University Of Illinois (Chicago, IL), Rush University Medical Group (Chicago, IL) and Cook County (Chicago, IL). 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 Stelios Mantis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stelios Mantis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and CareSource list Stelios Mantis 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 Stelios Mantis was last updated on April 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.