Doctor profile · Federal record

Dr. Christine Bui, D.O

Internal Medicine Physician (CMS: Family Practice) · Internal Medicine Physician · Hospitalist Physician · Fontana, CA

  • NPI 1285095752
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9961 Sierra Ave
Fontana, CA 923356720
(888) 750-0036

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
December 11, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #20A18468 · Texas #BP10050244

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285095752. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
119
Distinct HCPCS
3
Medicare allowed
$8,763
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 50 31 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 40 27 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 29 25 $96

In context: peer comparison

Among 18 peers in Fontana Internal Medicine Physician, average services per provider: 61. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $20.40
Bayer Healthcare Pharmaceuticals INC. 1 $16.76

By nature of payment

Food and Beverage
$37

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
223
Total drug cost
$38,256
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 73 33 $1,709
Amlodipine Besylate Generic 62 24 $757
Losartan Potassium Generic 58 22 $1,014
Levothyroxine Sodium Generic 43 13 $799
Celecoxib Generic 35 15 $2,036
Rosuvastatin Calcium Generic 33 13 $1,625
Lisinopril Generic 30 13 $271
Fluticasone Propionate Generic 29 25 $455
Metoprolol Succinate Generic 29 12 $883
Doxycycline Hyclate Generic 27 25 $181

Frequently asked questions

Auto-generated from federal data
What is Dr. Christine Bui's medical specialty?
Dr. Christine Bui practices Internal Medicine Physician in Fontana, CA.
Where does Dr. Christine Bui practice?
Dr. Christine Bui practices at 9961 Sierra Ave, Fontana, CA 923356720. Office phone: 8887500036.
What is Dr. Christine Bui's NPI?
Dr. Christine Bui's National Provider Identifier (NPI) is 1285095752, issued by NPPES.
Does Dr. Christine Bui accept Medicare assignment?
Yes. Dr. Christine Bui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christine Bui commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.