STEPHANIE ALEXANDRIA BUI DO
NPI 1285196733
Pediatrics in Woodstock, IL

Q: What is Stephanie Bui's NPI number?

The NPI number for Stephanie Bui is 1285196733. It was assigned to this individual provider in the NPPES registry on April 3, 2019.

Q: What is Stephanie Bui's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Stephanie Bui was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since April 03, 2019PECOS Enrolled

2000 LAKE AVE, WOODSTOCK, IL 60098(815) 337-7100(815) 337-4793 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2025, Feb 7, 2023, Nov 6, 2019 and 1 more (4 updates tracked since 2019).

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About Stephanie Alexandria Bui Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE ALEXANDRIA BUI DO (NPI 1285196733) is an individual pediatrics provider in Woodstock, Illinois, licensed in Illinois (036161644) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1285196733

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameSTEPHANIE ALEXANDRIA BUICredential: DO

Location Address2000 LAKE AVEWoodstock, IL 60098-7401

Mailing Address2000 Lake AveWoodstock, IL 60098-7401 · (815) 337-7100 · Fax (815) 337-4793

Phone(815) 337-7100

Fax(815) 337-4793

Sole ProprietorNo

Enumeration DateApril 3, 2019

Last NPPES UpdateMay 29, 20254 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2024

✔ NPI 1285196733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in IL · 036161644

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2000 LAKE AVE, Woodstock, IL 60098

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Secondary Practice Locations 3

Location 1875 South Route 31Crystal Lake, IL 60014-8190 · Phone (779) 220-5500

Location 2901 Grant StHarvard, IL 60033-1821 · Phone (815) 943-5431 · Fax (815) 943-0659

Location 33031 W Grand Blvd Ste 600Detroit, MI 48202-3014 · Phone (313) 346-5235

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Alexandria Bui Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Stephanie Bui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Health System Corporation

41 mi

Multi-Specialty

580 N WASHINGTON ST
Janesville, WI 53548

Reassigned Medicare billing, Illinois enrollment
671 clinicians in this Medicare group

NPI 1598718603 (608) 741-7630

Southern California Permanente Medical Group

1,686 mi

Health Maintenance Organization

43112 N 15TH ST
Lancaster, CA 93534

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1982863783 (661) 726-2279

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 60098 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. NAPOLEON P ABANDO MD

Family Medicine