Nathan Michael Segerson, M.D.
NPI 1841303534ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Tacoma, WA
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) with Multicare Health System and 2 other groups, practicing in Tacoma, Washington. In 2024 Medicare paid $53,516 for 207 patients, and Part D covered 288 of their prescriptions, 77% of them generic. Biosense Webster, Inc. was the largest of 6 companies reporting payments in 2025, $1,067 in all, mostly food and beverage. Lists Capital Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841303534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 16, 2006 |
| Last updated in NPPES | Dec 7, 2023 |
| Certified by provider | Dec 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | MD60003710 | WA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD60003710 | 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 - Cardiovascular Disease (Cardiology) (OR); Practitioner - Cardiac Electrophysiology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 477 across 56 procedure codes |
| Paid by Medicare | $53,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 288 · 689 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $71,739 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Cardiac Electrophysiology |
| Telehealth | Offers telehealth |
Medical groups
- Multicare Health SystemTacoma, WA · 2,325 clinicians
- Yakima Valley Memorial PhysiciansYakima, WA · 391 clinicians
- Bend Memorial Clinic PCBend, OR · 221 clinicians
Hospital affiliations
- Capital Medical CenterOlympia, WA
- Multicare Good Samaritan HospitalPuyallup, WA
- St Michael Medical CenterSilverdale, WA
- Tacoma General Allenmore HospitalTacoma, WA
- Yakima Valley MemorialYakima, WA
Industry payments (Open Payments)
- 2025$1,067 · 18 payments from 6 companies
- 2024$551.07 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $374.91 | 5 |
| Abbott Laboratories | $327.72 | 6 |
| Boston Scientific Corporation | $146.80 | 2 |
| Medtronic, Inc. | $128.54 | 3 |
| Pfizer Inc. | $58.22 | 1 |
What the 2025 payments were for
- Food and Beverage$1,067 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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