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ST STEVEN MEDICAL CENTER LTD
NPI 1902958564
Internal Medicine in Oak Lawn, IL

Active since January 16, 2007CLIA 14D1035637 · Waiver
4400 W 95TH ST STE 404, OAK LAWN, IL 60453(708) 425-6225(708) 425-3456 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About St Steven Medical Center Ltd NPPES

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

ST STEVEN MEDICAL CENTER LTD (NPI 1902958564) is a healthcare organization registered as an internal medicine in Oak Lawn, Illinois and active in the NPI registry since January 2007. The organization holds a CLIA Waiver certificate valid through January 6, 2027 and lists Nader N Tobia, Ceo, as its authorized official.

NPPES Registry Identity

NPI1902958564
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameST STEVEN MEDICAL CENTER LTD
Location Address4400 W 95TH ST STE 404Oak Lawn, IL 60453-7216
Mailing Address11685 Orchard RdWillow Springs, IL 60480-1652 · (708) 670-6470 · Fax (708) 425-3456
Phone(708) 425-6225
Fax(708) 425-3456
Organization SubpartNo
Authorized OfficialNader N TobiaCeo · (708) 425-6225
Enumeration DateJanuary 16, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1902958564 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4400 W 95TH ST STE 404, Oak Lawn, IL 60453
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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)

St Steven Medical Center Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to St Steven Medical Center Ltd, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Lisa Michel, NP
Nurse Practitioner
NPI 1538309380
4400 W 95TH ST STE 6409
Oak Lawn, IL 60453
(877) 684-4327
✔ PECOS✔ Accepts MedicareSame address
Zulfiqar Rizvi, M.D.
Internal Medicine
NPI 1144276361
12251 S 80TH AVE
Palos Heights, IL 60463
(708) 371-1030
✔ PECOS✔ Accepts Medicare5.5 mi
Jeanne Scheel, APN FNP-BC
Nurse Practitioner
NPI 1790075802
5841 S MARYLAND AVE
Chicago, IL 60637
(773) 702-1000
✔ PECOS✔ Accepts Medicare8.1 mi
Nader Tobia, M.D.
Internal Medicine
NPI 1831175447
114 N ORCHARD DR
Park Forest, IL 60466
(708) 283-3384
✔ PECOS✔ Accepts Medicare17 mi
Catherine Lara, NURSE PRACTITIONER
Nurse Practitioner
NPI 1841649480
12750 ST FRANCIS DR STE 320
Crown Point, IN 46307
(219) 662-0077
✔ PECOS✔ Accepts Medicare27 mi

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 14D1035637

St Steven Medical Center Ltd · Evergreen Park, IL
Active · expires Jan 6, 2027
CLIA Number14D1035637
Laboratory TypePhysician Office
Certificate Effective DateJanuary 7, 2025
Certificate Expiration DateJanuary 6, 2027
Laboratory DirectorNader Tobia
Laboratory Phone(708) 425-6225
Laboratory LocationSt Steven Medical Center Ltd9401 S Pulaski Rd, Ste 203, Evergreen Park, IL 60805
CLIA data matches this NPI record on: Name 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 St Steven Medical Center Ltd's NPI number?

The NPI number for St Steven Medical Center Ltd is 1902958564. It was assigned to this organization in the NPPES registry on January 16, 2007.

Where is St Steven Medical Center Ltd located?

St Steven Medical Center Ltd is located at 4400 W 95th St Ste 404, Oak Lawn, IL 60453. The listed phone number is (708) 425-6225.

What is St Steven Medical Center Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is St Steven Medical Center Ltd enrolled in Medicare?

Yes. St Steven Medical Center Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through St Steven Medical Center Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to St Steven Medical Center Ltd. 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. The largest specialties are Nurse Practitioner (3) and Internal Medicine (2). Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does St Steven Medical Center Ltd hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D1035637) is associated with this NPI, valid through January 6, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for St Steven Medical Center Ltd was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.