Doctor profile · Federal record

Dr. Chi Si Choi, M.D.

Cardiovascular Disease Physician (CMS: Internal Medicine) · Houston, TX

  • NPI 1336182294
  • Accepts Medicare
  • 56 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3502 Liberty RD
Houston, TX 770266243
(713) 993-6000
fax (713) 497-5546

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
January 15, 2024
Year of graduation
1970 — 56 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #F5863
Medicaid
TX #135733703

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336182294. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
914
Distinct HCPCS
9
Medicare allowed
$51,910
HCPCS Description Services Patients Avg allowed
K1034 Provision of covid-19 test, nonprescription self-administered and self-collected use, fda approved, authorized or cleared, one test count 354 141 $12
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 199 27 $80
99213 Established patient office or other outpatient visit, 20-29 minutes 92 36 $88
99214 Established patient office or other outpatient visit, 30-39 minutes 81 30 $124
93922 Ultrasound study of arm and leg arteries 80 39 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 41 17 $121
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 32 24 $14
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 18 18 $69
97750 Test or measurement for functional capacity, each 15 minutes 17 17 $33

In context: peer comparison

Among 118 peers in Houston Cardiovascular Disease Physician, average services per provider: 144. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $20.99

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,823
Patients
663
Total drug cost
$292,883
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 245 74 $3,655
Amlodipine Besylate Generic 218 63 $2,147
Pantoprazole Sodium Generic 145 39 $1,497
Chlorpromazine Hcl Generic 141 103 $58,659
Losartan Potassium Generic 132 46 $2,195
Gabapentin Generic 114 30 $2,845
Eliquis (Apixaban) Brand 107 17 $69,958
Metoprolol Tartrate Generic 105 25 $1,156
Metformin Hcl Generic 101 32 $1,341
Cyclobenzaprine Hcl Generic 96 61 $25,116

Frequently asked questions

Auto-generated from federal data
What is Dr. Chi Si Choi's medical specialty?
Dr. Chi Si Choi practices Cardiovascular Disease Physician in Houston, TX.
Where does Dr. Chi Si Choi practice?
Dr. Chi Si Choi practices at 3502 Liberty RD, Houston, TX 770266243. Office phone: 7139936000.
What is Dr. Chi Si Choi's NPI?
Dr. Chi Si Choi's National Provider Identifier (NPI) is 1336182294, issued by NPPES.
Does Dr. Chi Si Choi accept Medicare assignment?
Yes. Dr. Chi Si Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chi Si Choi commonly perform?
Top Medicare-reported procedures in 2023: Provision of covid-19 test, nonprescription self-administered and self-collected use, fda approved, authorized or cleared, one test count (HCPCS K1034); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.