Jason William Harper, MD
NPI 1336305911ActiveIndividual· Internal Medicine, Gastroenterology· Seattle, WA
Internal Medicine, Gastroenterology (MD) in Seattle, Washington, trained at Columbia University College of Physicians and Surgeons (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $1,801,231 for 425 claims, against $22,550 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 3 companies reporting payments in 2025, $355.70 in all, mostly food and beverage.
Overview
| NPI | 1336305911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 2, 2008 |
| Last updated in NPPES | Jan 12, 2026 |
| Certified by provider | Jan 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD60238161 | WA |
| Internal Medicine | 207R00000X | MD60238161 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 231 across 32 procedure codes |
| Paid by Medicare | $22,550 |
Part D prescriptions in 2024
| Prescriptions (claims) | 425 · 540 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $1,801,231 |
| Generic share | 49% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
- Pacmed ClinicsBothell, WA · 209 clinicians
Hospital affiliations
- Harborview Medical CenterSeattle, WA
- Swedish IssaquahIssaquah, WA
- Swedish Medical CenterSeattle, WA
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$355.70 · 5 payments from 3 companies
- 2024$9,861 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $197.07 | 2 |
| Janssen Biotech, Inc. | $138.63 | 1 |
| Janssen Scientific Affairs, LLC | $20.00 | 2 |
What the 2025 payments were for
- Food and Beverage$355.70 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 167 gastroenterologists in Seattle · All gastroenterologists in Washington