Hiep Truong, M.D.
NPI 1578520151ActiveIndividual· Obstetrics & Gynecology· Fountain Valley, CA
Obstetrics & Gynecology (M.D.) with Miyoco Medical Center Inc, practicing in Fountain Valley, California. Their prescriptions cost Medicare Part D more than their services did: $48,795 for 46 claims, against $3,038 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 5 companies reporting payments in 2025, $187.35 in all, mostly food and beverage.
Overview
| NPI | 1578520151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Feb 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A45852 | 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 | 17 |
|---|---|
| Services billed | 36 across 9 procedure codes |
| Paid by Medicare | $3,038 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 59 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $48,795 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Miyoco Medical Center IncFountain Valley, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$187.35 · 9 payments from 5 companies
- 2024$157.68 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $57.27 | 3 |
| Biogen, Inc. | $54.59 | 2 |
| Merck Sharp & Dohme LLC | $33.61 | 2 |
| Novo Nordisk Inc | $24.00 | 1 |
| Lilly USA, LLC | $17.88 | 1 |
What the 2025 payments were for
- Food and Beverage$187.35 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 OB-GYNs in Fountain Valley · All OB-GYNs in California