Mark Allan Watson, NURSE ANESTHETIST
NPI 1336220052ActiveIndividual· Nurse Anesthetist, Certified Registered· Tacoma, WA
Nurse Anesthetist, Certified Registered (NURSE ANESTHETIST) with Washington Gastroenterology PLLC, practicing in Tacoma, Washington. Medicare paid $21,249 for services to 225 patients in 2024. Takeda Pharmaceuticals U.S.A., Inc. reported $98.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1336220052 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NURSE ANESTHETIST |
| Sole proprietor | Yes |
| NPI issued | Oct 18, 2006 |
| Last updated in NPPES | May 2, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | AP30007011 | 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 - Certified Registered Nurse Anesthetist (CRNA) (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 227 across 5 procedure codes |
| Paid by Medicare | $21,249 |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Washington Gastroenterology PLLCTacoma, WA · 143 clinicians
Industry payments (Open Payments)
- 2025$98.59 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $98.59 | 3 |
What the 2025 payments were for
- Food and Beverage$98.59 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 120 nurse anesthetists in Tacoma · All nurse anesthetists in Washington