Danny Nguyen Thach-Song, M.D.
NPI 1235540162ActiveIndividual· Family Medicine· Ashburn, VA
Family Medicine (M.D.) with Inova Physician Partners LLC, practicing in Ashburn, Virginia. Their prescriptions cost Medicare Part D more than their services did: $190,985 for 1,965 claims, against $24,335 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 2 companies reporting payments in 2025, $43.72 in all, mostly food and beverage. Lists Inova Loudoun Hospital as a hospital affiliation.
Overview
| NPI | 1235540162 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 13, 2014 |
| Last updated in NPPES | Jun 23, 2022 |
| Certified by provider | Jun 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 0101263083 | VA |
| Family Medicine | 207Q00000X | MT209857 | PA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (DC); Practitioner - Family Practice (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 338 across 26 procedure codes |
| Paid by Medicare | $24,335 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,965 · 4,865 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $190,985 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Inova Physician Partners LLCChantilly, VA · 262 clinicians
Hospital affiliation
- Inova Loudoun HospitalLeesburg, VA
Other facilities
- Alternate Solutions Home Health-FairfaxHome health agency · Fairfax, VA
Industry payments (Open Payments)
- 2025$43.72 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $23.06 | 1 |
| Bard Peripheral Vascular, Inc. | $20.66 | 1 |
What the 2025 payments were for
- Food and Beverage$43.72 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 family medicine physicians in Ashburn · All family medicine physicians in Virginia