Sieu P. Truong, M.D.
NPI 1194751941ActiveIndividual· Obstetrics & Gynecology· Encinitas, CA
Obstetrics & Gynecology (M.D.) in Encinitas, California, trained at Tulane University School of Medicine (class of 1997). In 2024 Medicare paid $96,530 for 393 patients, and Part D covered 973 of their prescriptions, 87% of them generic. Mayne Pharma Commercial LLC was the largest of 9 companies reporting payments in 2025, $1,019 in all, mostly food and beverage.
Overview
| NPI | 1194751941 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | May 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A67527 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 393 |
|---|---|
| Services billed | 1,329 across 31 procedure codes |
| Paid by Medicare | $96,530 |
Part D prescriptions in 2024
| Prescriptions (claims) | 973 · 2,007 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $52,038 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$1,019 · 40 payments from 9 companies
- 2024$498.96 · 26 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $546.88 | 19 |
| Astellas Pharma US Inc | $126.91 | 2 |
| Evofem Biosciences, Inc. | $113.81 | 11 |
| Shield Therapeutics Inc | $75.58 | 1 |
| Exact Sciences Corporation | $67.93 | 3 |
What the 2025 payments were for
- Food and Beverage$918.67 · 39 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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