Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nephrology

Steven Q. Bui, MD

Works at hospitals in Santa Ana, CA · Orange, CA · California

Summary

Steven Q. Bui, MD (Nephrology) is listed by Medicare at 4 hospitals in Santa Ana, CA and Orange, CA. NPI 1154390425. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Steven Q. Bui, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NephrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
MaleGender (as listed)
Southern California Kidney Consultants IncGroup practice

Quick answers

Which hospitals does Steven Q. Bui work at?
Medicare's official clinician data lists Steven Q. Bui at 4 hospitals: Coastal Communities Hospital, Orange County Global Medical Center, Providence St. Joseph Hospital and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Steven Q. Bui see patients?
Medicare's clinician data lists 1 practice location in Garden Grove, CA. Call before your visit to confirm the address.
What is Steven Q. Bui's specialty?
Medicare lists Nephrology as the primary specialty.
Does Steven Q. Bui accept Medicare assignment?
Yes. Medicare's clinician data says Steven Q. Bui accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Steven Q. Bui offer telehealth?
Medicare's clinician data says Steven Q. Bui offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Steven Q. Bui?
(714) 636-2890, as listed in official Medicare / NPI Registry data.
What is Steven Q. Bui's NPI number?
1154390425. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Steven Q. Bui works

Medicare's Facility Affiliation Data lists Steven Q. Bui at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Steven Q. Bui is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Steven Q. Bui as a member of this group (CMS data updated 2026-10-02).

  • Southern California Kidney Consultants Inc21 clinicians in the group

Specialties

Find other Nephrology doctors in California →

Other nephrologists in Garden Grove

Clinicians with the same Medicare primary specialty in Garden Grove, CA — not a recommendation.

All nephrologists in Garden Grove →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1154390425
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians