CATHERINE M CRETICOS MD
NPI 1356370233
Internal Medicine - Infectious Disease in Chicago, IL
About Catherine M Creticos Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE M CRETICOS MD (NPI 1356370233) is an individual infectious disease provider in Chicago, Illinois, licensed in Illinois (036065043) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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)
Catherine M Creticos Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Catherine Creticos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60657
- Reassigned Medicare billing, Illinois enrollment
- 143 clinicians in this Medicare group
Burr Ridge, IL 60527
- Reassigned Medicare billing, Illinois enrollment
- 122 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 60657 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 60657
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 Catherine Creticos's NPI number?
The NPI number for Catherine Creticos is 1356370233. It was assigned to this individual provider in the NPPES registry on July 2, 2006.
Where is Catherine Creticos located?
Catherine Creticos practices at 836 W Wellington Ave, Chicago, IL 60657. The listed phone number is (773) 296-7039.
What is Catherine Creticos's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Catherine Creticos enrolled in Medicare?
Yes. Catherine Creticos is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Catherine Creticos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Creticos reassigns Medicare benefits to 2 organizations: Howard Brown Health Center (Chicago, IL) and Metro Infectious Disease Consultants, LLC (Burr Ridge, 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 Catherine Creticos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Creticos accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, MercyCare, MercyCare Health Plans and Oscar Health and 1 other insurer list Catherine Creticos 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 Catherine Creticos was last updated on September 11, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.