David Nathaniel Ivanick, MD
NPI 1629430137ActiveIndividual· Psychiatry & Neurology, Neuromuscular Medicine· Seattle, WA
Psychiatry & Neurology, Neuromuscular Medicine (MD) in Seattle, Washington, trained at University of Rochester School of Medicine and Dentistry (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $3,744,614 for 1,347 claims, against $83,388 paid for services in 2024. Grifols USA, LLC was the largest of 5 companies reporting payments in 2025, $202.82 in all, mostly food and beverage.
Overview
| NPI | 1629430137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2016 |
| Last updated in NPPES | Sep 17, 2026 |
| Certified by provider | Sep 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neuromuscular Medicine Primary | 2084N0008X | MD61085807 | WA |
| Psychiatry & Neurology, Neurology | 2084N0400X | MD61085807 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 246 |
|---|---|
| Services billed | 3,277 across 25 procedure codes |
| Paid by Medicare | $83,388 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,347 · 2,065 30-day fills |
|---|---|
| Patients | 172 |
| Total drug cost | $3,744,614 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of Rochester School of Medicine and Dentistry |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Swedish Health ServicesSeattle, WA · 1,037 clinicians
Hospital affiliations
- Olympic Medical CenterPort Angeles, WA
- Swedish Edmonds HospitalEdmonds, WA
- Swedish Medical CenterSeattle, WA
- Swedish Medical Center / Cherry HillSeattle, WA
Industry payments (Open Payments)
- 2025$202.82 · 7 payments from 5 companies
- 2024$602.75 · 16 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Grifols USA, LLC | $66.47 | 2 |
| Argenx US, Inc. | $57.18 | 2 |
| Cala Health, Inc. | $32.01 | 1 |
| Csl Behring | $31.36 | 1 |
| Janssen Scientific Affairs, LLC | $15.80 | 1 |
What the 2025 payments were for
- Food and Beverage$202.82 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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