HANNAH DUEHREN MD
NPI 1154940377
Internal Medicine in Chicago, IL
About Hannah Duehren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HANNAH DUEHREN MD (NPI 1154940377) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036170728) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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)
Hannah Duehren Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Hannah Duehren reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60605
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 clinicians in this Medicare group
Oak Park, IL 60304
- Reassigned Medicare billing, Illinois enrollment
- 51 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60637 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
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 Hannah Duehren's NPI number?
The NPI number for Hannah Duehren is 1154940377. It was assigned to this individual provider in the NPPES registry on April 9, 2020.
Where is Hannah Duehren located?
Hannah Duehren practices at 5841 S Maryland Ave Ste Mc6076, Chicago, IL 60637. The listed phone number is (773) 702-9660.
What is Hannah Duehren's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hannah Duehren enrolled in Medicare?
Yes. Hannah Duehren is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Hannah Duehren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Duehren reassigns Medicare benefits to 2 organizations: Rush University Medical Center (Chicago, IL) and Rush Oak Park Physicians Group Adult Medicine (Oak Park, 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 Hannah Duehren'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 Hannah Duehren was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.