MARC GORDON WEISS MD
NPI 1881668713
Pediatrics - Neonatal-Perinatal Medicine in Maywood, IL

Q: What is Marc Weiss's NPI number?

The NPI number for Marc Weiss is 1881668713. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Q: What is Marc Weiss'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 Marc Weiss was last updated on June 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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, (FAHEY BLDG., RM. 270), MAYWOOD, IL 60153(708) 216-5102(708) 216-1699 Get Directions Write a Review

NPPES record last updated: June 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Marc Gordon Weiss Md NPPES

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

MARC GORDON WEISS MD (NPI 1881668713) is an individual neonatal-perinatal medicine provider in Maywood, Illinois, licensed in Illinois (36077094) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881668713

Entity TypeIndividualMale

Primary Taxonomy2080N0001X

Provider Legal NameMARC GORDON WEISSCredential: MD

Location Address2160 S FIRST AVE, (FAHEY BLDG., RM. 270)Maywood, IL 60153

Mailing Address2160 S First Ave, (fahey Bldg., Rm. 270)Maywood, IL 60153 · (708) 216-5102 · Fax (708) 216-1699

Phone(708) 216-5102

Fax(708) 216-1699

Sole ProprietorNo

Enumeration DateFebruary 15, 2006

Last NPPES UpdateJune 29, 2021

NPPES CertifiedJune 29, 2021

✔ NPI 1881668713 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 · 36077094

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 1

Medicaid36077094IL

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc Gordon Weiss 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 Reassignment

Medicare enrollment records show Marc Weiss reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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

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 Marc Weiss's NPI number?

The NPI number for Marc Weiss is 1881668713. It was assigned to this individual provider in the NPPES registry on February 15, 2006.

Where is Marc Weiss located?

Marc Weiss practices at 2160 S First Ave (fahey Bldg., Rm. 270), Maywood, IL 60153. The listed phone number is (708) 216-5102.

What is Marc Weiss's specialty?

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

Is Marc Weiss enrolled in Medicare?

Yes. Marc Weiss is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marc Weiss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Weiss reassigns Medicare benefits to Loyola University Medical Center (Maywood, IL). The 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 Marc Weiss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marc Weiss was last updated on June 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.