Doctor profile · Federal record
Dr. Karen Koo, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Seattle, WA
- NPI 1093053019
- Accepts Medicare
- MIPS 82.8 / 100 · 2023
- 22 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
747 Broadway
Seattle, WA 981224379
(206) 205-3408
Credentials & registration
- NPI registered
- January 2013 — 13 yrs on file
- Profile last updated
- February 6, 2015
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Washington #MD60304936
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093053019. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
137
Distinct HCPCS
2
Medicare allowed
$28,031
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 119 | 41 | $216 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 18 | 14 | $128 |
In context: peer comparison
Among 19 peers in this city , average services per provider: 73. This provider delivers 1.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Karen Koo's medical specialty?
Dr. Karen Koo practices Critical Care Medicine (Internal Medicine) Physician in Seattle, WA.
Where does Dr. Karen Koo practice?
Dr. Karen Koo practices at 747 Broadway, Seattle, WA 981224379. Office phone: 2062053408.
What is Dr. Karen Koo's NPI?
Dr. Karen Koo's National Provider Identifier (NPI) is 1093053019, issued by NPPES.
Does Dr. Karen Koo accept Medicare assignment?
Yes. Dr. Karen Koo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Koo commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.