Doctor profile · Federal record

Dr. Steve Bui, MD

Nephrology Physician (CMS: Nephrology) · Garden Grove, CA

  • NPI 1154390425
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12665 Garden Grove Blvd Ste 211
Garden Grove, CA 928431916
(714) 636-2890

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
June 20, 2017
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A77823
Medicaid
CA #ZZZ75439Z

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154390425. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,831
Distinct HCPCS
7
Medicare allowed
$301,427
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 818 157 $83
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 381 55 $372
99214 Established patient office or other outpatient visit, 30-39 minutes 345 174 $118
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 174 51 $125
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 81 44 $306
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $181
99213 Established patient office or other outpatient visit, 20-29 minutes 16 13 $94

In context: peer comparison

Among 6 peers in Garden Grove Nephrology Physician, average services per provider: 181. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$206
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 1 $94.60
Bayer Healthcare Pharmaceuticals INC. 3 $61.81
AstraZeneca Pharmaceuticals Lp 1 $28.22
Nxstage Medical, INC. 1 $21.73

By nature of payment

Food and Beverage
$206

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,131
Patients
285
Total drug cost
$93,054
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 151 53 $1,853
Lisinopril Generic 132 36 $1,304
Sevelamer Carbonate Generic 129 26 $54,085
Calcium Acetate Generic 90 24 $6,274
Prosol (Parenteral Amino Acid 20% No.1) Brand 86 0 $14,038
Furosemide Generic 79 23 $610
Atenolol Generic 71 18 $930
Hydralazine Hcl Generic 56 13 $1,130
Clinisol (Parenteral Amino Acid 15% No.5) Brand 55 0 $8,307
Allopurinol Generic 54 16 $941

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Steve Bui's medical specialty?
Dr. Steve Bui practices Nephrology Physician in Garden Grove, CA.
Where does Dr. Steve Bui practice?
Dr. Steve Bui practices at 12665 Garden Grove Blvd Ste 211, Garden Grove, CA 928431916. Office phone: 7146362890.
What is Dr. Steve Bui's NPI?
Dr. Steve Bui's National Provider Identifier (NPI) is 1154390425, issued by NPPES.
Does Dr. Steve Bui accept Medicare assignment?
Yes. Dr. Steve Bui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steve Bui commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.