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DEMETRIOS PETROVAS M.D. S.C.
NPI 1124295340
Clinic/Center - Medical Specialty in Chicago, IL

Active since May 15, 2008
3960 NORTH HARLEM AVE, CHICAGO, IL 60634(773) 658-2300(773) 658-2305 Get Directions Write a Review

NPPES record last updated: January 20, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Demetrios Petrovas M.d. S.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEMETRIOS PETROVAS M.D. S.C. (NPI 1124295340) is a healthcare organization registered as a medical specialty in Chicago, Illinois and active in the NPI registry since May 2008. The organization lists Demetrios Petrovas, President, as its authorized official.

NPPES Registry Identity

NPI1124295340
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameDEMETRIOS PETROVAS M.D. S.C.
Location Address3960 NORTH HARLEM AVEChicago, IL 60634-2219
Mailing Address2420 Asbury RdNorthbrook, IL 60062-5902 · (847) 400-5485
Phone(773) 658-2300
Fax(773) 658-2305
Organization SubpartNo
Authorized OfficialDemetrios PetrovasPresident · (773) 658-2300
Enumeration DateMay 15, 2008
Last NPPES UpdateJanuary 20, 2015
✔ NPI 1124295340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in IL · 042616685
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
3960 NORTH HARLEM AVE, Chicago, IL 60634
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Other Identifiers 1

Medicare PIN987862IL

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Demetrios Petrovas M.d. S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Demetrios Petrovas M.D. S.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Demetrios Petrovas, MD
Internal Medicine
NPI 1871547505
3960 N. HARLEM AVE.
Chicago, IL 60634
(773) 658-2300
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Demetrios Petrovas M.D. S.C.'s NPI number?

The NPI number for Demetrios Petrovas M.D. S.C. is 1124295340. It was assigned to this organization in the NPPES registry on May 15, 2008.

Where is Demetrios Petrovas M.D. S.C. located?

Demetrios Petrovas M.D. S.C. is located at 3960 North Harlem Ave, Chicago, IL 60634. The listed phone number is (773) 658-2300.

What is Demetrios Petrovas M.D. S.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Demetrios Petrovas M.D. S.C. enrolled in Medicare?

Yes. Demetrios Petrovas M.D. S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Demetrios Petrovas M.D. S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Demetrios Petrovas M.D. S.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Demetrios Petrovas M.D. S.C. was last updated on January 20, 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.