ELIZABETH BAKER M.D.
NPI 1710089776
Internal Medicine in Chicago, IL
About Elizabeth Baker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH BAKER M.D. (NPI 1710089776) is an individual internal medicine provider in Chicago, Illinois and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Elizabeth Baker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Elizabeth Baker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60612
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Rush University Medical Group
- 2,169 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 10
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 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.
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 Elizabeth Baker's NPI number?
The NPI number for Elizabeth Baker is 1710089776. It was assigned to this individual provider in the NPPES registry on September 1, 2006.
Where is Elizabeth Baker located?
Elizabeth Baker practices at 1700 W Van Buren St Suite 500, Chicago, IL 60612. The listed phone number is (312) 563-2875.
What is Elizabeth Baker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Elizabeth Baker enrolled in Medicare?
Yes. Elizabeth Baker is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Elizabeth Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Baker reassigns Medicare benefits to Rush University Medical Center (Chicago, 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 Elizabeth Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Baker accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Elizabeth Baker 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 Elizabeth Baker was last updated on February 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.