Doctor profile · Federal record
Dr. Michael Theisen, MD
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Anesthesiology Physician · Seattle, WA
- NPI 1134167943
- Accepts Medicare
- 47 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
325 9Th Ave
Seattle, WA 981042420
(206) 520-5000 - Additional location
-
1400 Bellinger Street
Eau Claire, WI 547035222
(715) 838-5222 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 5, 2025
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (3)
- Washington #MD00018370 · Oregon #MD211415 · Wisconsin #13266
- Medicaid
- WA #1134167943
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134167943. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32
Distinct HCPCS
2
Medicare allowed
$5,499
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00145 |
Anesthesia for retinal surgery | 17 | 17 | $198 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 15 | 15 | $142 |
In context: peer comparison
Among 172 peers in Seattle Anesthesiology Physician, average services per provider: 23. This provider delivers 1.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Michael Theisen's medical specialty?
Dr. Michael Theisen practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Michael Theisen practice?
Dr. Michael Theisen practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2065205000.
What is Dr. Michael Theisen's NPI?
Dr. Michael Theisen's National Provider Identifier (NPI) is 1134167943, issued by NPPES.
Does Dr. Michael Theisen accept Medicare assignment?
Yes. Dr. Michael Theisen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Theisen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for retinal surgery (HCPCS 00145); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.