Wataru Tamura, MD
NPI 1073658365ActiveIndividual· Internal Medicine, Gastroenterology· Seattle, WA
Internal Medicine, Gastroenterology (MD) with Puget Sound Gastroenterology PLLC, practicing in Seattle, Washington. 260 Medicare patients in 2024, $106,440 paid; nearly all of their 1,159 Part D prescriptions were generic (90%). Aimmune Therapeutics, Inc. was the largest of 10 companies reporting payments in 2025, $532.73 in all, mostly food and beverage. Lists Swedish Medical Center as a hospital affiliation.
Overview
| NPI | 1073658365 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 21, 2007 |
| Last updated in NPPES | Sep 14, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD60258237 | 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 | 260 |
|---|---|
| Services billed | 2,888 across 29 procedure codes |
| Paid by Medicare | $106,440 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,159 · 1,829 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $133,462 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Puget Sound Gastroenterology PLLCEdmonds, WA · 61 clinicians
Hospital affiliation
- Swedish Medical CenterSeattle, WA
Industry payments (Open Payments)
- 2025$532.73 · 26 payments from 10 companies
- 2024$692.76 · 31 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $145.68 | 6 |
| Phathom Pharmaceuticals, Inc. | $118.85 | 8 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $69.04 | 3 |
| Pfizer Inc. | $50.97 | 2 |
| Abbvie Inc. | $41.16 | 2 |
What the 2025 payments were for
- Food and Beverage$532.73 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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