ZAINAB ALI BAIG MD
NPI 1013099555
Internal Medicine in Hinsdale, IL
About Zainab Ali Baig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZAINAB ALI BAIG MD (NPI 1013099555) is an individual internal medicine provider in Hinsdale, Illinois, licensed in Illinois (036108843) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Zainab Ali Baig Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Zainab Ali Baig reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hinsdale, IL 60521
- Reassigned Medicare billing, Illinois enrollment
- 108 clinicians in this Medicare group
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 60521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ali Baig's NPI number?
The NPI number for Zainab Ali Baig is 1013099555. It was assigned to this individual provider in the NPPES registry on October 20, 2006.
Where is Zainab Ali Baig located?
Zainab Ali Baig practices at 15 Salt Creek Ln Suite 111, Hinsdale, IL 60521. The listed phone number is (630) 371-0133.
What is Zainab Ali Baig's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Zainab Ali Baig enrolled in Medicare?
Yes. Zainab Ali Baig is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Zainab Ali Baig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zainab Ali Baig reassigns Medicare benefits to Inpatient Consultants Of Illinois, P.C. (Hinsdale, 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 Ali Baig'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 Zainab Ali Baig was last updated on May 4, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.