STEPHANIE T BUI D.O.
NPI 1245461292
Surgery - Vascular Surgery in Downers Grove, IL
About Stephanie T Bui D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE T BUI D.O. (NPI 1245461292) is an individual vascular surgery provider in Downers Grove, Illinois, licensed in Illinois (036.178140) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, maintains 9 additional practice locations, and is a graduate of Kansas City University Of Med & Biosciences, College Of Osteo Med (2009).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 9
Other Identifiers 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
Stephanie T Bui 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
9Medicare enrollment records show Stephanie Bui reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Lawn, IL 60453
- Reassigned Medicare billing, Illinois enrollment
- 20 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 557 clinicians in this Medicare group
Atlanta, GA 30305
- Reassigned Medicare billing, Georgia enrollment
- 16 clinicians in this Medicare group
Rego Park, NY 11374
- Reassigned Medicare billing, New York enrollment
- 9 clinicians in this Medicare group
Fort Worth, TX 76132
- Reassigned Medicare billing, Texas enrollment
- 37 clinicians in this Medicare group
Fort Collins, CO 80525
- Reassigned Medicare billing, Colorado enrollment
- 17 clinicians in this Medicare group
Tampa, FL 33618
- Reassigned Medicare billing, Florida enrollment
- 44 clinicians in this Medicare group
Phoenix, AZ 85006
- Reassigned Medicare billing, Arizona enrollment
- 16 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 18
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 60515 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOWNERS GROVE, IL 60515
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 Stephanie Bui's NPI number?
The NPI number for Stephanie Bui is 1245461292. It was assigned to this individual provider in the NPPES registry on August 6, 2009.
Where is Stephanie Bui located?
Stephanie Bui practices at 1101 31st St Ste 170, Downers Grove, IL 60515. The listed phone number is (800) 991-6117.
What is Stephanie Bui's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Stephanie Bui enrolled in Medicare?
Yes. Stephanie Bui 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 Stephanie Bui's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Bui reassigns Medicare benefits to 9 organizations: Illinois Uvc Medical PLLC (Oak Lawn, IL), Bronson Methodist Hospital (Kalamazoo, MI), Bronson Battle Creek Hospital (Battle Creek, MI), Georgia Uvc Medical LLC (Atlanta, GA), New York Medical United PLLC (Rego Park, NY) and 4 more organizations, listed in the Medicare section above. 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 Stephanie Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Bui accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 16 other insurers list Stephanie Bui 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 Stephanie Bui was last updated on December 22, 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.