Doctor profile · Federal record

Dr. Brian Bai, MD

Family Medicine Physician (CMS: Family Practice) · Oxnard, CA

  • NPI 1144424102
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
331 S C St, Ste A.,
Oxnard, CA 930305824
(805) 247-1035
fax (805) 247-1038

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 8, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A101489
Medicaid
CA #7742839

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144424102. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
985
Distinct HCPCS
10
Medicare allowed
$116,164
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 519 152 $140
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 100 100 $142
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 61 22 $1
99443 Telephone medical discussion with physician, 21-30 minutes 58 39 $139
G0008 Administration of influenza virus vaccine 55 55 $34
90756 Influenza vaccine, quadrivalent derived from cell cultures 54 54 $32
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 26 26 $180
G0009 Administration of pneumococcal vaccine 22 22 $34
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 21 19 $16
96372 Injection of drug or substance under skin or into muscle 19 15 $16

In context: peer comparison

Among 15 peers in Oxnard Family Medicine Physician, average services per provider: 83. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 2 $41.10
Edwards Lifesciences Corporation 1 $15.29
Pfizer INC. 1 $13.56

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,762
Patients
1,141
Total drug cost
$80,101
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 565 176 $24,413
Atorvastatin Calcium Generic 502 162 $9,732
Losartan Potassium Generic 465 133 $6,424
Levothyroxine Sodium Generic 292 77 $5,060
Spironolactone Generic 261 80 $3,209
Metformin Hcl Generic 255 81 $3,239
Amlodipine Besylate Generic 243 80 $2,981
Gabapentin Generic 220 65 $4,762
Lisinopril Generic 164 46 $1,911
Tamsulosin Hcl Generic 161 45 $3,862

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Bai's medical specialty?
Dr. Brian Bai practices Family Medicine Physician in Oxnard, CA.
Where does Dr. Brian Bai practice?
Dr. Brian Bai practices at 331 S C St, Oxnard, CA 930305824. Office phone: 8052471035.
What is Dr. Brian Bai's NPI?
Dr. Brian Bai's National Provider Identifier (NPI) is 1144424102, issued by NPPES.
Does Dr. Brian Bai accept Medicare assignment?
Yes. Dr. Brian Bai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Bai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.