Nathaniel Fletcher Watson, MD
NPI 1528144342ActiveIndividual· Psychiatry & Neurology, Sleep Medicine· Seattle, WA
Psychiatry & Neurology, Sleep Medicine (MD) in Seattle, Washington, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1996). 164 Medicare patients in 2024, $16,927 paid; all of their 69 Part D prescriptions were generic. Ensodata, Inc. was the largest of 5 companies reporting payments in 2025, $150,835 in all, mostly consulting fees.
Overview
| NPI | 1528144342 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 27, 2006 |
| Last updated in NPPES | Apr 1, 2026 |
| Certified by provider | Apr 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Sleep Medicine Primary | 2084S0012X | MD00038688 | WA |
| Psychiatry & Neurology, Neurology | 2084N0400X | MD00038688 | 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 - Sleep Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 164 |
|---|---|
| Services billed | 231 across 8 procedure codes |
| Paid by Medicare | $16,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 87 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $4,894 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Sleep Medicine |
| Secondary specialties | Neurology |
| Telehealth | Offers telehealth |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliations
- Harborview Medical CenterSeattle, WA
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$150,835 · 62 payments from 5 companies
- 2024$86,991 · 23 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ensodata, Inc. | $89,372 | 14 |
| Jazz Pharmaceuticals Inc. | $35,501 | 27 |
| Takeda Pharmaceuticals U.S.A., Inc. | $21,648 | 17 |
| 3b Medical, Inc. | $4,250 | 3 |
| Harmony Biosciences LLC | $65.37 | 1 |
What the 2025 payments were for
- Consulting Fee$133,184 · 10 payments
- Travel and Lodging$10,369 · 17 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,100 · 1 payment
- Food and Beverage$1,806 · 32 payments
- Debt forgiveness$1,750 · 1 payment
- Education$625.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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