DR. BARBARA E HAAS M.D.
NPI 1184679540
Obstetrics & Gynecology in Chicago, IL
About Dr. Barbara E Haas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARBARA E HAAS M.D. (NPI 1184679540) is an individual obstetrics & gynecology provider in Chicago, Illinois, licensed in Illinois (036-105928) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Barbara E Haas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Barbara Haas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60623
- Reassigned Medicare billing, Illinois enrollment
- 147 clinicians in this Medicare group
Cicero, IL 60804
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Mount Sinai Community Foundation
- 646 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 60623 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 20
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 Barbara Haas's NPI number?
The NPI number for Barbara Haas is 1184679540. It was assigned to this individual provider in the NPPES registry on May 24, 2006. The provider is also known as Dr. Barbara E Gardner M.D..
Where is Barbara Haas located?
Barbara Haas practices at 3860 W Ogden Ave, Chicago, IL 60623. The listed phone number is (872) 588-3000.
What is Barbara Haas's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Barbara Haas enrolled in Medicare?
Yes. Barbara Haas is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Barbara Haas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Haas reassigns Medicare benefits to 2 organizations: Lawndale Christian Health Center (Chicago, IL) and Mount Sinai Community Foundation Dba Sinai Medical Group (Cicero, 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 Barbara Haas'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 Barbara Haas was last updated on November 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.