Daniel Dung Truong, M.D.
NPI 1992720916ActiveIndividual· Psychiatry & Neurology, Neurology· Fountain Valley, CA
Psychiatry & Neurology, Neurology (M.D.) with Truong Neuroscience Institute Inc., practicing in Fountain Valley, California. Their prescriptions cost Medicare Part D more than their services did: $4,337,302 for 5,142 claims, against $380,769 paid for services in 2024. Ipsen Innovation was the largest of 34 companies reporting payments in 2025, $8,314 in all, mostly food and beverage. Lists Memorialcare Orange Coast Medical Center as a hospital affiliation.
Overview
| NPI | 1992720916 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | A46661 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 280 |
|---|---|
| Services billed | 41,470 across 23 procedure codes |
| Paid by Medicare | $380,769 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,142 · 6,974 30-day fills |
|---|---|
| Patients | 320 |
| Total drug cost | $4,337,302 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Truong Neuroscience Institute Inc.Fountain Valley, CA · 7 clinicians
Hospital affiliation
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
Industry payments (Open Payments)
- 2025$8,314 · 240 payments from 34 companies
- 2024$5,809 · 250 payments from 30 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ipsen Innovation | $1,888 | 3 |
| Amneal Pharmaceuticals LLC | $1,447 | 13 |
| Abbvie Inc. | $1,110 | 52 |
| Ucb, Inc. | $630.77 | 27 |
| Acadia Pharmaceuticals Inc | $428.03 | 18 |
What the 2025 payments were for
- Food and Beverage$5,657 · 237 payments
- Travel and Lodging$1,499 · 2 payments
- Honoraria$1,158 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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