MARY S TILLEMA MD
NPI 1346214319
Pediatrics - Neonatal-Perinatal Medicine in Maywood, IL

Q: What is Mary Tillema's NPI number?

The NPI number for Mary Tillema is 1346214319. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Q: What is Mary Tillema's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Mary Tillema was last updated on March 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since February 15, 2006PECOS Enrolled

2160 S FIRST AVE, (MAGUIRE CENTER, RM. 3307), MAYWOOD, IL 60153(708) 216-4403(708) 216-3375 Get Directions Write a Review

NPPES record last updated: March 5, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Mary S Tillema Md NPPES

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

MARY S TILLEMA MD (NPI 1346214319) is an individual neonatal-perinatal medicine provider in Maywood, Illinois, licensed in Illinois (36092364) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346214319

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameMARY S TILLEMACredential: MD

Location Address2160 S FIRST AVE, (MAGUIRE CENTER, RM. 3307)Maywood, IL 60153

Mailing Address2160 S First Ave, (maguire Center, Rm. 3307)Maywood, IL 60153 · (708) 216-4403 · Fax (708) 216-3375

Phone(708) 216-4403

Fax(708) 216-3375

Sole ProprietorNo

Enumeration DateFebruary 15, 2006

Last NPPES UpdateMarch 5, 2010

✔ NPI 1346214319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in IL · 36092364

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

2160 S FIRST AVE, Maywood, IL 60153

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Other Identifiers 2

Medicare UPING86085

Medicaid36092364IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary S Tillema Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mary Tillema reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Loyola University Medical Center

0.1 mi

General Practice

2160 S 1ST AVE
Maywood, IL 60153

Reassigned Medicare billing, Illinois enrollment
1,138 clinicians in this Medicare group

NPI 1336159961 (708) 216-3215

Loyola Medical Group LLC

3.0 mi

General Practice

3249 OAK PARK AVE
Berwyn, IL 60402

Reassigned Medicare billing, Illinois enrollment
211 clinicians in this Medicare group

NPI 1376041954 (708) 783-3125

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

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.

RACHEL JUDITH DAVIS PSYD

Psychiatry & Neurology (Psychiatry)

2160 S FIRST AVE, LOYOLA UNIVERSITY MEDICAL CENTER 101-1740
MAYWOOD, IL 60153

Cook County (708) 216-9000

FRANCIS HARFORD MD

Surgery

2160 S FIRST AVE, EMS BLDG., 3RD FLOOR
MAYWOOD, IL 60153

Cook County (708) 327-2647

SHERINE HANNA MD

Anesthesiology

2160 S FIRST AVE, BLDG., RM. 3102
MAYWOOD, IL 60153

Cook County (708) 216-8866

HOLLY KRAMER MD

Internal Medicine (Nephrology)

2160 S FIRST AVE, 101-1740 LOYOLA UNIVERSITY MEDICAL CENTER
MAYWOOD, IL 60153

Cook County (708) 216-9000

TRAC XUAN NGHIEM MD

Emergency Medicine

2160 S FIRST AVE, EMS BLDG., RM. 2700
MAYWOOD, IL 60153

Cook County (708) 327-2700

MALIHA J SHAREEF MD

Pediatrics (Neonatal-Perinatal Medicine)

2160 S FIRST AVE, (MAGUIRE CENTER, RM. 3307)
MAYWOOD, IL 60153

Cook County (708) 216-4403

PATRICK FAHEY MD

Internal Medicine (Critical Care Medicine)

2160 S FIRST AVE, LUH-NORTH ENT., RM. 7604
MAYWOOD, IL 60153

Cook County (708) 216-5402

COLEEN NAPOLITANO DPM

Orthopaedic Surgery

2160 S FIRST AVE, (7511 LEMONT RD, DARIEN, IL. 60561)
MAYWOOD, IL 60153

Cook County (630) 985-4989

SEAN FORSYTHE MD

Internal Medicine (Critical Care Medicine)

2160 S FIRST AVE, (321 N. LAGRANGE RD, LAGRANGE PARK, IL. 60526)
MAYWOOD, IL 60153

Cook County (708) 485-1020

CAGATAY H ERSAHIN MD

Pathology (Anatomic Pathology)

2160 S FIRST AVE, EMS BLDG., RM. 2209
MAYWOOD, IL 60153

Cook County (708) 216-3250

EVA BADING MD

Family Medicine

2160 S FIRST AVE, (1211 ROOSEVELT RD. )
MAYWOOD, IL 60153

Cook County (708) 531-5200

LOYOLA UNIVERSITY MEDICAL CENTER

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

2160 S FIRST AVE
MAYWOOD, IL 60153

Cook County (708) 216-9000

DAVID SCHILLING MD

Psychiatry & Neurology (Psychiatry)

2160 S FIRST AVE, (FAHEY BLDG., RM. 222)
MAYWOOD, IL 60153

Cook County (708) 216-3750

JAMES FORD MCDONNELL MD

Ophthalmology (Pediatric Ophthalmology and Strabismus Specialist)

2160 S FIRST AVE, (LUH - NO. ENT., RM 2601)
MAYWOOD, IL 60153

Cook County (708) 216-3408

DANIEL SISBARRO MD

Internal Medicine

2160 S FIRST AVE, (LUH - NORTH ENT., RM. 7604)
MAYWOOD, IL 60153

Cook County (708) 216-8563

BRIAN NICKOLOFF MD PHD

Pathology (Dermatopathology)

2160 S FIRST AVE, (EMS BLDG., RM. 2209)
MAYWOOD, IL 60153

Cook County (708) 216-3250

EVELYN SEGAL PHD

Psychologist

2160 S FIRST AVE, (FAHEY BLDG., RM. 222)
MAYWOOD, IL 60153

Cook County (708) 216-3750

FERDINAND S LEYA MD

Internal Medicine (Cardiovascular Disease)

2160 S FIRST AVE, LUH-TOWER ENTER., ROOM 6210
MAYWOOD, IL 60153

Cook County (708) 216-4225

JEFFREY PAUL SCHWARTZ MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

2160 S FIRST AVE, 110-6246, LOYOLA UNIVERSITY MEDICAL CENTER
MAYWOOD, IL 60153

Cook County (708) 327-2487

HENRY BROWN MD PHD

Pathology (Neuropathology)

2160 S FIRST AVE, (EMS BLDG., RM. 2209)
MAYWOOD, IL 60153

Cook County (708) 216-3250

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 Mary Tillema's NPI number?

The NPI number for Mary Tillema is 1346214319. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Mary Tillema located?

Mary Tillema practices at 2160 S First Ave (maguire Center, Rm. 3307), Maywood, IL 60153. The listed phone number is (708) 216-4403.

What is Mary Tillema's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Mary Tillema enrolled in Medicare?

Yes. Mary Tillema is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Tillema's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Tillema reassigns Medicare benefits to 2 organizations: Loyola University Medical Center (Maywood, IL) and Loyola Medical Group LLC (Berwyn, 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 Mary Tillema's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Tillema accept?

Health plans from Oscar Health list Mary Tillema 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 Mary Tillema was last updated on March 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.