Kleber Yotsumoto Fertrin, MD, PHD
NPI 1730696774ActiveIndividual· Internal Medicine, Hematology· Seattle, WA
Internal Medicine, Hematology (MD, PHD) with The Association of University Physicians, practicing in Seattle, Washington. Their prescriptions cost Medicare Part D more than their services did: $181,849 for 77 claims, against $10,289 paid for services in 2024. Agios Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $1,722 in all, mostly travel and lodging. Lists University of Washington Medical Ctr as a hospital affiliation.
Overview
| NPI | 1730696774 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Dec 29, 2017 |
| Last updated in NPPES | Jan 2, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 60815806 | 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 - Hematology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 56 |
|---|---|
| Services billed | 118 across 12 procedure codes |
| Paid by Medicare | $10,289 |
Part D prescriptions in 2024
| Prescriptions (claims) | 77 · 126 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $181,849 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Hematology |
| Telehealth | Offers telehealth |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliation
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$1,722 · 11 payments from 4 companies
- 2024$7,409 · 19 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Agios Pharmaceuticals, Inc. | $1,625 | 8 |
| Vertex Pharmaceuticals Incorporated | $42.00 | 1 |
| Recordati_rare_diseases_inc. | $31.22 | 1 |
| Csl Behring | $22.99 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,381 · 5 payments
- Food and Beverage$340.34 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 Internal Medicine, Hematology providers in Seattle · All Internal Medicine, Hematology providers in Washington