Doctor profile · Federal record
Dr. Dariusz Walczak, MD
Anesthesiology Physician (CMS: Anesthesiology) · Mill Creek, WA
- NPI 1861424236
- Accepts Medicare
- 39 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
14416 33Rd Dr Se
Mill Creek, WA 980125028
(425) 350-8481
fax (425) 357-0941
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 3, 2021
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Washington #MD00035997
- Medicaid
- WA #8243529
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861424236. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
102
Distinct HCPCS
4
Medicare allowed
$12,923
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 47 | 47 | $125 | |
00812 |
Anesthesia for exam of colon using an endoscope | 23 | 23 | $99 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 17 | 17 | $135 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 15 | 15 | $164 |
In context: peer comparison
Among 1 peers in Mill Creek Anesthesiology Physician, average services per provider: 25. This provider delivers 4.1× the peer median.Frequently asked questions
What is Dr. Dariusz Walczak's medical specialty?
Dr. Dariusz Walczak practices Anesthesiology Physician in Mill Creek, WA.
Where does Dr. Dariusz Walczak practice?
Dr. Dariusz Walczak practices at 14416 33Rd Dr Se, Mill Creek, WA 980125028. Office phone: 4253508481.
What is Dr. Dariusz Walczak's NPI?
Dr. Dariusz Walczak's National Provider Identifier (NPI) is 1861424236, issued by NPPES.
Does Dr. Dariusz Walczak accept Medicare assignment?
Yes. Dr. Dariusz Walczak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dariusz Walczak commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.