Individual provider

Stephanie Bui, D.O.

Vascular Surgery Physician General Practice Physician Phlebology Physician Medicare enrolled

Stephanie Bui, D.O. is a Vascular Surgery Physician in Downers Grove, IL, registered under NPI 1245461292. This provider registers 3 separate taxonomy codes, which usually means they practise across more than one recognised specialty.

Getting there

The practice address on file is 1101 31ST ST STE 170, Downers Grove, IL 60515. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

1101 31ST ST STE 170, Downers Grove, IL 60515 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
036.178140 IL Vascular Surgery Physician primary
5101018212 MI General Practice Physician
CDR0006203 CO Vascular Surgery Physician
W2614 TX Phlebology Physician
036.178140 IL Phlebology Physician
CDR0006203 CO Phlebology Physician
W2614 TX Vascular Surgery Physician
012077 AZ Vascular Surgery Physician
012077 AZ Phlebology Physician
5101018212 MI Vascular Surgery Physician

Licences are recorded in 5 states: IL, MI, CO, TX, AZ. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Vascular Surgery
PAC ID
2466694914

Enrolled in Medicare 7 times, across 7 states:

StateEnrollment IDProvider type
Michigan I20160907001657 Practitioner - Vascular Surgery
West Virginia I20200422003378 Practitioner - Vascular Surgery
Illinois I20260102002081 Practitioner - Vascular Surgery
Texas I20260105000654 Practitioner - Vascular Surgery
Colorado I20260105000800 Practitioner - Vascular Surgery
Arizona I20260105002866 Practitioner - Vascular Surgery
Florida I20260305003687 Practitioner - Vascular Surgery

Medicare enrolment is recorded as approved under the provider type Practitioner - Vascular Surgery. There are 7 separate enrolment records across 7 states (MI, WV, IL, TX, CO, AZ, FL). Multiple enrolments usually mean the provider bills Medicare from more than one practice location, or has kept an earlier enrolment after moving. Each record carries its own enrolment ID, listed above. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 5 states

This provider holds licences in 5 states: Arizona, Colorado, Illinois, Michigan and Texas. The practice address on file is in Downers Grove, IL, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

AZ Arizona
Licence
012077
Specialty
Vascular Surgery Physician
Verify with the AZ board →
CO Colorado
Licence
CDR0006203
Specialty
Vascular Surgery Physician
Verify with the CO board →
IL Illinois practice address
Licence
036.178140
Specialty
Vascular Surgery Physician
Verify with the IL board →
MI Michigan
Licence
5101018212
Specialty
General Practice Physician
Verify with the MI board →
TX Texas
Licence
W2614
Specialty
Phlebology Physician
Verify with the TX board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Vascular Surgery covers

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart. NUCC Health Care Provider Taxonomy, code 2086S0129X
Allopathic & Osteopathic Physicians Surgery Vascular Surgery

All registered taxonomy codes

This provider registers 10 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
2086S0129X Vascular Surgery Physician Vascular Surgery 036.178140 IL primary
208D00000X General Practice Physician 5101018212 MI
2086S0129X Vascular Surgery Physician Vascular Surgery CDR0006203 CO
202K00000X Phlebology Physician W2614 TX
202K00000X Phlebology Physician 036.178140 IL
202K00000X Phlebology Physician CDR0006203 CO
2086S0129X Vascular Surgery Physician Vascular Surgery W2614 TX
2086S0129X Vascular Surgery Physician Vascular Surgery 012077 AZ
202K00000X Phlebology Physician 012077 AZ
2086S0129X Vascular Surgery Physician Vascular Surgery 5101018212 MI

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1245461292 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateAug 6, 2009
Last updatedDec 22, 2025
StatusActive
Sole proprietorNo
CredentialD.O.
Practice address 1101 31ST ST STE 170
Downers Grove, IL 60515
(800) 991-6117
Fax (888) 812-8191
Mailing address 3820 NORTHDALE BLVD STE 201
Tampa, FL 33624
Other identifiers 5101018212 · Other (MI)
This record was updated on Dec 22, 2025, which is recent enough that the contact details are likely still accurate.

Number check

1245461292 passes the NPI check digit test The final digit 2 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 2 4 5 4 6 1 2 9
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 2 8 5 8 6 2 2 9

Sum = 68 · next multiple of 10 = 70 · check digit = 2 · actual last digit = 2

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1245461292?
NPI 1245461292 is the National Provider Identifier assigned to Stephanie Bui, D.O. in Downers Grove, IL. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Vascular Surgery cover?
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
How do I contact Stephanie Bui, D.O.?
The phone number on file with NPPES is (800) 991-6117, last updated Dec 22, 2025. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Stephanie Bui, D.O. accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1245461292 a valid number?
Yes. 1245461292 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.