DR. SADIE ANNE LAPONSIE M.D.
NPI 1013274216
Pediatrics in Evanston, IL
About Dr. Sadie Anne Laponsie M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SADIE ANNE LAPONSIE M.D. (NPI 1013274216) is an individual pediatrics provider in Evanston, Illinois, licensed in Illinois (036137111) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and maintains a secondary practice location in Highland Park.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Sadie Anne Laponsie M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Sadie Laponsie reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Evanston, IL 60201
- Reassigned Medicare billing, Illinois enrollment
- 4,841 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 clinicians in this Medicare group
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 826 clinicians in this Medicare group
Saipan, MP 96950
- Reassigned Medicare billing, Northern Mariana Islands enrollment
- 200 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 60201 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.
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
EVANSTON, IL 60201
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 Sadie Laponsie's NPI number?
The NPI number for Sadie Laponsie is 1013274216. It was assigned to this individual provider in the NPPES registry on April 12, 2012. The provider is also known as Ms. Sadie Anne Bush MD.
Where is Sadie Laponsie located?
Sadie Laponsie practices at 2650 Ridge Ave, Evanston, IL 60201. The listed phone number is (847) 570-2000.
What is Sadie Laponsie's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Sadie Laponsie enrolled in Medicare?
Yes. Sadie Laponsie is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sadie Laponsie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sadie Laponsie reassigns Medicare benefits to 4 organizations: Endeavor Health Medical Group (Evanston, IL), Lutheran General Hospital (Park Ridge, IL), Lurie Children's Medical Group Inc (Chicago, IL) and Commonwealth Healthcare Corporation (Saipan, MP). 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 Sadie Laponsie'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 Sadie Laponsie was last updated on September 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Sadie Anne Laponsie, M.D. · NPI 1013274216
Pediatrics physician in Evanston, Illinois. Individual provider, active in the CMS NPPES registry since April 12, 2012.
## Identity
- **NPI:** 1013274216 (Entity type: Individual)
- **Enumerated:** April 12, 2012
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 036137111 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 2650 RIDGE AVE, Evanston, IL 60201-1700
- **Phone:** (847) 570-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Endeavor Health Medical Group (NPI 1265695944, Evanston, IL); Lutheran General Hospital (NPI 1801809306, Park Ridge, IL); Lurie Children's Medical Group Inc (NPI 1518064716, Chicago, IL); Commonwealth Healthcare Corporation (NPI 1285858290, Saipan, MP) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 17, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1013274216) · Data from the CMS NPPES public registry.