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MARIO C. ROSAS, M.D., S.C.
NPI 1194901280
Family Medicine in Chicago, IL

Active since January 18, 2008CLIA 14D2044254 · Waiver
2619 S LAWNDALE AVE, FRONT, CHICAGO, IL 60623(773) 522-2620(773) 522-2641 Get Directions Write a Review

NPPES record last updated: June 14, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mario C. Rosas, M.d., S.c. NPPES

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

MARIO C. ROSAS, M.D., S.C. (NPI 1194901280) is a healthcare organization registered as a family medicine in Chicago, Illinois and active in the NPI registry since January 2008. The organization holds a CLIA Waiver certificate valid through July 18, 2028 and lists Mario C Rosas, President, as its authorized official.

NPPES Registry Identity

NPI1194901280
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameMARIO C. ROSAS, M.D., S.C.
Location Address2619 S LAWNDALE AVE, FRONTChicago, IL 60623-4520
Mailing Address2619 S Lawndale Ave, FrontChicago, IL 60623-4520 · (773) 522-2620 · Fax (773) 522-2641
Phone(773) 522-2620
Fax(773) 522-2641
Organization SubpartNo
Authorized OfficialMario C RosasPresident · (773) 522-2620
Enumeration DateJanuary 18, 2008
Last NPPES UpdateJune 14, 2016
✔ NPI 1194901280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in IL · 036074065
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2619 S LAWNDALE AVE, Chicago, IL 60623
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mario C. Rosas, 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 Mario C. Rosas, M.D., S.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Mario Rosas, M.D.
Family Practice
NPI 1841369881
2619 S LAWNDALE AVE FRONT
Chicago, IL 60623
(773) 522-2620
✔ 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2044254

Mario Rosas M D S C · Chicago, IL
Active · expires Jul 18, 2028
CLIA Number14D2044254
Laboratory TypePhysician Office
Certificate Effective DateJuly 19, 2026
Certificate Expiration DateJuly 18, 2028
Laboratory DirectorMario Rosas M D
Laboratory Phone(773) 522-2620
Laboratory LocationMario Rosas M D S C2619 S Lawndale, Chicago, IL 60623
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Mario C. Rosas, M.D., S.C.'s NPI number?

The NPI number for Mario C. Rosas, M.D., S.C. is 1194901280. It was assigned to this organization in the NPPES registry on January 18, 2008.

Where is Mario C. Rosas, M.D., S.C. located?

Mario C. Rosas, M.D., S.C. is located at 2619 S Lawndale Ave Front, Chicago, IL 60623. The listed phone number is (773) 522-2620.

What is Mario C. Rosas, M.D., S.C.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mario C. Rosas, M.D., S.C. enrolled in Medicare?

Yes. Mario C. Rosas, M.D., S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mario C. Rosas, M.D., S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Mario C. Rosas, 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.

Does Mario C. Rosas, M.D., S.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2044254) is associated with this NPI, valid through July 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Mario C. Rosas, M.D., S.C. was last updated on June 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.