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ZAINAB SHAMS
NPI 1518531391
Internal Medicine - Infectious Disease in Chicago, IL

Active since May 17, 2021PECOS Enrolled
600 S PAULINA ST STE 140, CHICAGO, IL 60612(312) 942-5865 Get Directions Write a Review

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

Record update history: Aug 5, 2026, Jun 21, 2024, Jan 21, 2022 and 1 more (4 updates tracked since 2021).

About Zainab Shams NPPES

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

ZAINAB SHAMS (NPI 1518531391) is an individual infectious disease provider in Chicago, Illinois, licensed in Illinois (036.170670) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Burr Ridge.

NPPES Registry Identity

NPI1518531391
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameZAINAB SHAMS
Location Address600 S PAULINA ST STE 140Chicago, IL 60612-3806
Mailing Address600 S Paulina St Ste 140Chicago, IL 60612-3806
Phone(312) 942-5865
Sole ProprietorNo
Enumeration DateMay 17, 2021
Last NPPES UpdateAugust 5, 20264 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1518531391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in IL · 036.170670
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
600 S PAULINA ST STE 140, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Location 1

Location 1901 McClintock Dr Ste 202Burr Ridge, IL 60527-0872 · Phone (888) 220-6432 · Fax (630) 665-4425

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MercyCare, MercyCare Health Plans, 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)

Zainab Shams 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 Zainab Shams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Metro Infectious Disease Consultants, LLC
15 mi
Infectious Disease
901 MC CLINTOCK DRIVE, SUITE 202
Burr Ridge, IL 60527
  • Reassigned Medicare billing, Illinois enrollment
  • 122 clinicians in this Medicare group
NPI 1669797734 (630) 655-6742

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

ANDREW SIMMS M.D.
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-5865
JAE HYUNG JUNG MD
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-5865
DR. SARAH SANSOM D.O.
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-5865
PHILIP DWEK M.D.
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-5865
JUSTIN J KIM MD
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-5865
DR. NOOREL ZIA DO
Internal Medicine (Hospice and Palliative Medicine)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-0312
DR. SAMUEL JOHN STARKE MD
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (131) 294-2586
SHIVANJALI SHANKARAN MD
Internal Medicine (Infectious Disease)
600 S PAULINA ST STE 140
CHICAGO, IL 60612
Cook County (312) 942-5865

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 Zainab Shams's NPI number?

The NPI number for Zainab Shams is 1518531391. It was assigned to this individual provider in the NPPES registry on May 17, 2021.

Where is Zainab Shams located?

Zainab Shams practices at 600 S Paulina St Ste 140, Chicago, IL 60612. The listed phone number is (312) 942-5865.

What is Zainab Shams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Zainab Shams enrolled in Medicare?

Yes. Zainab Shams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zainab Shams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zainab Shams reassigns Medicare benefits to Metro Infectious Disease Consultants, LLC (Burr Ridge, 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 Zainab Shams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zainab Shams accept?

Health plans from MercyCare, MercyCare Health Plans and Oscar Health list Zainab Shams 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 Zainab Shams was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.