Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIAN K SHAKER MD
NPI 1457974818
Psychiatry & Neurology - Epilepsy in Tinley Park, IL

Q: What is Marian Shaker's NPI number?

The NPI number for Marian Shaker is 1457974818. It was assigned to this individual provider in the NPPES registry on May 20, 2020. The provider is also known as Marian Shehata.

Q: What is Marian Shaker's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.

Q: When was this NPI record last updated?

The NPPES record for Marian Shaker was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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 May 20, 2020PECOS Enrolled

17333 LA GRANGE RD STE 220, TINLEY PARK, IL 60487(708) 226-2890(708) 226-2390 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 26, 2026, Aug 24, 2026, Jul 30, 2026 and 1 more (4 updates tracked since 2020).

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About Marian K Shaker Md NPPES

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

MARIAN K SHAKER MD (NPI 1457974818) is an individual epilepsy provider in Tinley Park, Illinois, licensed in Illinois (036174203) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1457974818

Entity TypeIndividualFemale

Primary Taxonomy2084E0001X

Provider Legal NameMARIAN K SHAKERCredential: MD

Location Address17333 LA GRANGE RD STE 220Tinley Park, IL 60487-7510

Mailing Address17333 La Grange Rd Ste 220Tinley Park, IL 60487-7510 · (708) 226-2890 · Fax (708) 226-2390

Phone(708) 226-2890

Fax(708) 226-2390

Sole ProprietorNo

Enumeration DateMay 20, 2020

Last NPPES UpdateOctober 26, 20264 updates tracked since enumeration

NPPES CertifiedOctober 26, 2026

✔ NPI 1457974818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · EpilepsyAllopathic & Osteopathic Physicians

Taxonomy Code2084E0001X

License✔ Licensed in IL · 036174203

Definition

Epilepsy is a subspecialty of neurology focused on the diagnosis and treatment of patients with epilepsy, including new-onset, medically refractory epilepsy, psychogenic nonepileptic seizures, and epilepsy in special populations (the elderly, women, patients with co-morbidities). Epilepsy is a multidisciplinary field that provides comprehensive care of the patient.

17333 LA GRANGE RD STE 220, Tinley Park, IL 60487

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Other Names 1

Former Name (1)Marian Shehata

Secondary Practice Location 1

Location 11740 W Taylor StChicago, IL 60612-7232 · Phone (866) 600-2273

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marian K Shaker 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 Marian Shaker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northwestern Medical Faculty Foundation

39 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIMBERLY D VAN WYNGARDEN APRN-BC

Nurse Practitioner

17333 LA GRANGE RD STE 220
TINLEY PARK, IL 60487

Cook County (708) 226-2870

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 Marian Shaker's NPI number?

The NPI number for Marian Shaker is 1457974818. It was assigned to this individual provider in the NPPES registry on May 20, 2020. The provider is also known as Marian Shehata.

Where is Marian Shaker located?

Marian Shaker practices at 17333 La Grange Rd Ste 220, Tinley Park, IL 60487. The listed phone number is (708) 226-2890.

What is Marian Shaker's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Epilepsy, with taxonomy code 2084E0001X.

Is Marian Shaker enrolled in Medicare?

Yes. Marian Shaker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marian Shaker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marian Shaker reassigns Medicare benefits to Northwestern Medical Faculty Foundation (Carol Stream, 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 Marian Shaker'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 Marian Shaker was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.