RACHEL P BAER MD
NPI 1437110707
Surgery in Elgin, IL
About Rachel P Baer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHEL P BAER MD (NPI 1437110707) is an individual surgery provider in Elgin, Illinois, licensed in Illinois (036102743) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Advocate Sherman Hospital, and is a graduate of Other (1980).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Rachel P Baer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Rachel Baer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Downers Grove, IL 60515
- Reassigned Medicare billing, Illinois enrollment
- 4,870 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Advocate Sherman Hospital
Acute Care Hospitals · Elgin, ILNorthwestern Medicine Mchenry
Acute Care Hospitals · Mchenry, ILPresence Saint Joseph Hospital - Elgin
Acute Care Hospitals · Elgin, ILAdvocate Lutheran General Hospital
Acute Care Hospitals · Park Ridge, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Rachel Baer's NPI number?
The NPI number for Rachel Baer is 1437110707. It was assigned to this individual provider in the NPPES registry on March 28, 2006.
Where is Rachel Baer located?
Rachel Baer practices at 745 Fletcher Dr #302, Elgin, IL 60123. The listed phone number is (847) 695-6600.
What is Rachel Baer's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Rachel Baer enrolled in Medicare?
Yes. Rachel Baer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Rachel Baer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Baer reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Downers Grove, 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 Rachel Baer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rachel Baer accept?
Health plans from Oscar Health list Rachel Baer 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.
Is Rachel Baer affiliated with any hospitals?
According to CMS data, Rachel Baer is affiliated with Advocate Sherman Hospital, Northwestern Medicine Mchenry, Presence Saint Joseph Hospital - Elgin and Advocate Lutheran General Hospital.
When was this NPI record last updated?
The NPPES record for Rachel Baer was last updated on December 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Rachel P Baer, MD · NPI 1437110707
Surgery physician in Elgin, Illinois. Individual provider, active in the CMS NPPES registry since March 28, 2006.
## Identity
- **NPI:** 1437110707 (Entity type: Individual)
- **Enumerated:** March 28, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 036102743 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 745 FLETCHER DR, #302, Elgin, IL 60123
- **Phone:** (847) 695-6600 · **Fax:** (847) 695-4279
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Advocate Health And Hospitals Corporation (NPI 1578670543, Downers Grove, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** December 23, 2022
- **Other identifiers:** Medicaid 036102748 (IL); Other 4515536
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Source: [NPI Profile](https://npiprofile.com/npi/1437110707) · Data from the CMS NPPES public registry.