Son T. Do, M.D.
NPI 1285668822ActiveIndividual· Internal Medicine, Gastroenterology· Vancouver, WA
Internal Medicine, Gastroenterology (M.D.) with Providence Health and Services Oregon and 7 other groups, practicing in Vancouver, Washington. Their prescriptions cost Medicare Part D more than their services did: $866,050 for 1,210 claims, against $62,703 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 11 companies reporting payments in 2025, $1,052 in all, mostly food and beverage. Lists Adventist Health Portland and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1285668822 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Oct 1, 2025 |
| Certified by provider | Oct 1, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD00042129 | WA |
| Internal Medicine, Gastroenterology | 207RG0100X | MD182143 | OR |
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 - Gastroenterology (OR); Practitioner - Gastroenterology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 334 |
|---|---|
| Services billed | 557 across 44 procedure codes |
| Paid by Medicare | $62,703 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,210 · 1,993 30-day fills |
|---|---|
| Patients | 422 |
| Total drug cost | $866,050 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
- Legacy Clinics LLCPortland, OR · 713 clinicians
- St Charles Health System IncBend, OR · 377 clinicians
- Legacy Salmon Creek HospitalPortland, OR · 301 clinicians
- Portland Adventist Medical CenterPortland, OR · 271 clinicians
- PeacehealthVancouver, WA · 249 clinicians
- Asante Physician PartnersMedford, OR · 225 clinicians
- Gastroenterology Consultants PCMedford, OR · 13 clinicians
Hospital affiliations
- Adventist Health PortlandPortland, OR
- Asante Rogue Regional Medical CenterMedford, OR
- Legacy Mount Hood Medical CenterGresham, OR
- Peacehealth Southwest Medical CenteVancouver, WA
- St Charles Medical Center - BendBend, OR
Industry payments (Open Payments)
- 2025$1,052 · 21 payments from 11 companies
- 2024$1,684 · 42 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $395.32 | 5 |
| Madrigal Pharmaceuticals | $205.33 | 5 |
| Sirtex Medical Inc | $101.37 | 1 |
| Cook Medical LLC | $93.18 | 1 |
| Abbvie Inc. | $56.54 | 2 |
What the 2025 payments were for
- Food and Beverage$1,052 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 gastroenterologists in Vancouver · All gastroenterologists in Washington