Marvin Tieu Dang, DO
NPI 1720577687ActiveIndividual· Family Medicine, Sports Medicine· San Clemente, CA
Family Medicine, Sports Medicine (DO) in San Clemente, California, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2018). In 2024 Medicare paid $62,300 for 199 patients, and Part D covered 1,298 of their prescriptions, 87% of them generic. Glaxosmithkline, LLC. reported $89.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1720577687 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 7, 2018 |
| Last updated in NPPES | Oct 20, 2025 |
| Certified by provider | Oct 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Sports Medicine Primary | 207QS0010X | 20A23024 | CA |
| Family Medicine | 207Q00000X | 20A23024 | 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 - Family Practice (CA); Practitioner - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 734 across 29 procedure codes |
| Paid by Medicare | $62,300 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,298 · 2,595 30-day fills |
|---|---|
| Patients | 230 |
| Total drug cost | $83,501 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Family Practice |
| Secondary specialties | Sports Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Industry payments (Open Payments)
- 2025$89.00 · 3 payments from 1 company
- 2024$61.01 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $89.00 | 3 |
What the 2025 payments were for
- Food and Beverage$89.00 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records