Doctor profile · Federal record
Dr. Trefan Archibald, MD
Critical Care Medicine (Anesthesiology) Physician (CMS: Anesthesiology) · Seattle, WA
- NPI 1174840508
- Accepts Medicare
- MIPS 87.0 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
325 9Th Ave
Seattle, WA 981042420
(206) 744-3059 - Mailing address
-
University of Washington, 1959 Ne Pacific Street, Box 356421
Seattle, WA 981956421
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- August 4, 2020
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207LC0200X — NUCC code
- State license (1)
- Washington #MD60344868
- Medicaid
- WA #1174840508
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174840508. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
20
Distinct HCPCS
1
Medicare allowed
$4,520
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 20 | 11 | $226 |
In context: peer comparison
Among 7 peers in Seattle Critical Care Medicine (Anesthesiology) Physician, average services per provider: 30. This provider delivers 0.7× the peer median.Frequently asked questions
What is Dr. Trefan Archibald's medical specialty?
Dr. Trefan Archibald practices Critical Care Medicine (Anesthesiology) Physician in Seattle, WA.
Where does Dr. Trefan Archibald practice?
Dr. Trefan Archibald practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067443059.
What is Dr. Trefan Archibald's NPI?
Dr. Trefan Archibald's National Provider Identifier (NPI) is 1174840508, issued by NPPES.
Does Dr. Trefan Archibald accept Medicare assignment?
Yes. Dr. Trefan Archibald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Trefan Archibald commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.