Doctor profile · Federal record
Dr. Adam Iwanski, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Seattle, WA
- NPI 1548678527
- Accepts Medicare
- 16 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1145 Broadway
Seattle, WA 981224201
(206) 329-1760 - Additional location
-
888 Swift Blvd
Richland, WA 993523514
(509) 946-4611
Credentials & registration
- NPI registered
- July 2014 — 12 yrs on file
- Profile last updated
- April 18, 2025
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Washington #MD60753238
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548678527. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
325
Distinct HCPCS
4
Medicare allowed
$38,995
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 224 | 52 | $104 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 47 | 19 | $156 | |
99239 |
Hospital discharge day management, more than 30 minutes | 33 | 32 | $147 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 20 | $171 |
In context: peer comparison
Among 174 peers in Seattle Internal Medicine Physician, average services per provider: 77. This provider delivers 4.2× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Adam Iwanski's medical specialty?
Dr. Adam Iwanski practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Adam Iwanski practice?
Dr. Adam Iwanski practices at 1145 Broadway, Seattle, WA 981224201. Office phone: 2063291760.
What is Dr. Adam Iwanski's NPI?
Dr. Adam Iwanski's National Provider Identifier (NPI) is 1548678527, issued by NPPES.
Does Dr. Adam Iwanski accept Medicare assignment?
Yes. Dr. Adam Iwanski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adam Iwanski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.