DR. CECILIA CHUI WEINGART D.O.
NPI 1306161880
Obstetrics & Gynecology in Buffalo Grove, IL
About Dr. Cecilia Chui Weingart D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CECILIA CHUI WEINGART D.O. (NPI 1306161880) is an individual obstetrics & gynecology provider in Buffalo Grove, Illinois, licensed in Illinois (036141163) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2006).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Dr. Cecilia Chui Weingart D.o. 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 Reassignments
2Medicare enrollment records show Cecilia Weingart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 281 clinicians in this Medicare group
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Alexian Brothers Medical Center 1
Acute Care Hospitals · Elk Grove Village, ILSt Alexius Medical Center
Acute Care Hospitals · Hoffman Estates, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60089 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 3
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 Cecilia Weingart's NPI number?
The NPI number for Cecilia Weingart is 1306161880. It was assigned to this individual provider in the NPPES registry on March 29, 2010. The provider is also known as Cecilia Chui Do.
Where is Cecilia Weingart located?
Cecilia Weingart practices at 600 W Lake Cook Rd Ste 120, Buffalo Grove, IL 60089. The listed phone number is (847) 808-8884.
What is Cecilia Weingart's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Cecilia Weingart enrolled in Medicare?
Yes. Cecilia Weingart 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 organizations bill Medicare for Cecilia Weingart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cecilia Weingart reassigns Medicare benefits to 2 organizations: Bonaventure Medical Foundation, LLC (Elk Grove Village, IL) and Central Dupage Physician Group (Carol Stream, 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 Cecilia Weingart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cecilia Weingart accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Cecilia Weingart 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 Cecilia Weingart affiliated with any hospitals?
According to CMS data, Cecilia Weingart is affiliated with Alexian Brothers Medical Center 1 and St Alexius Medical Center.
When was this NPI record last updated?
The NPPES record for Cecilia Weingart was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Cecilia Chui Weingart, D.O. · NPI 1306161880
Obstetrics & Gynecology physician in Buffalo Grove, Illinois. Individual provider, active in the CMS NPPES registry since March 29, 2010.
## Identity
- **NPI:** 1306161880 (Entity type: Individual)
- **Enumerated:** March 29, 2010
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 036141163 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 W LAKE COOK RD STE 120, Buffalo Grove, IL 60089-2085
- **Phone:** (847) 808-8884
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Bonaventure Medical Foundation, LLC (NPI 1588775647, Elk Grove Village, IL); Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2006
## Record status
- **NPPES last updated:** December 17, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1306161880) · Data from the CMS NPPES public registry.