Doctor profile · Federal record
Dr. Truong-Sinh Leduc, M.D.
Internal Medicine Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Gastroenterology Physician · Internal Medicine Physician · Gastroenterology Physician · Fountain Valley, CA
- NPI 1457430886
- Accepts Medicare
- 43 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11160 Warner Ave, Suite 101
Fountain Valley, CA 927084010
(714) 540-0105
fax (714) 540-6727
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- March 14, 2012
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (3)
- California #G56656 · California #FT574Z · California #FT562A
- Medicaid
- CA #00G566560
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457430886. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,061
Distinct HCPCS
8
Medicare allowed
$165,044
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 665 | 370 | $139 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 190 | 190 | $180 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 65 | 65 | $130 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 55 | 55 | $209 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 44 | 44 | $265 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 19 | 19 | $192 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 12 | $98 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 11 | 11 | $192 |
In context: peer comparison
Among 36 peers in Fountain Valley Internal Medicine Physician, average services per provider: 345. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$24,579
Transactions
30
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, INC. | 28 | $24,419.69 | |
| Madrigal Pharmaceuticals | 2 | $158.91 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,850
Patients
399
Total drug cost
$1,108,774
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Vemlidy (Tenofovir Alafenamide) | Brand | 664 | 67 | $993,895 |
| Famotidine | Generic | 342 | 94 | $5,371 |
| Entecavir | Generic | 217 | 30 | $59,587 |
| Baclofen | Generic | 127 | 42 | $2,042 |
| Tenofovir Disoproxil Fumarate | Generic | 109 | 20 | $26,030 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 80 | 78 | $1,685 |
| Omeprazole | Generic | 79 | 24 | $1,450 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 44 | 44 | $3,834 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 36 | 0 | $10,549 |
| Carvedilol | Generic | 28 | 0 | $147 |
Frequently asked questions
What is Dr. Truong-Sinh Leduc's medical specialty?
Dr. Truong-Sinh Leduc practices Internal Medicine Physician in Fountain Valley, CA.
Where does Dr. Truong-Sinh Leduc practice?
Dr. Truong-Sinh Leduc practices at 11160 Warner Ave, Fountain Valley, CA 927084010. Office phone: 7145400105.
What is Dr. Truong-Sinh Leduc's NPI?
Dr. Truong-Sinh Leduc's National Provider Identifier (NPI) is 1457430886, issued by NPPES.
Does Dr. Truong-Sinh Leduc accept Medicare assignment?
Yes. Dr. Truong-Sinh Leduc accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Truong-Sinh Leduc commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.