Doctor profile · Federal record
Dr. William Karczewski, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Edina, MN
- NPI 1275896490
- Accepts Medicare
- MIPS 98.0 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3600 Minnesota Dr Ste 800
Edina, MN 554357915
(952) 595-1100 - Additional location
-
1105 Sixth St
Traverse City, MI 496842345
(231) 935-0497
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- December 17, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Michigan #4301100753
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275896490. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,363
Distinct HCPCS
10
Medicare allowed
$187,578
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 409 | 387 | $9 | |
77067 |
Screening mammography | 349 | 349 | $36 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 299 | 291 | $85 | |
77063 |
Screening 3d breast mammography | 277 | 277 | $29 | |
77067 |
Screening mammography | 256 | 256 | $36 | |
71260 |
Ct scan of chest with contrast | 222 | 214 | $53 | |
77063 |
Screening 3d breast mammography | 211 | 211 | $29 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 189 | 189 | $9 | |
70450 |
Ct scan head or brain without contrast | 171 | 169 | $39 | |
72197 |
Mri scan of pelvis before and after contrast | 157 | 152 | $103 |
In context: peer comparison
Among 177 peers in this city , average services per provider: 115. This provider delivers 38× the peer median.Open Payments
Industry payments received
All-time total
$222
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Siemens Medical Solutions USA, Inc. | 1 | $222.26 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. William Karczewski's medical specialty?
Dr. William Karczewski practices Diagnostic Radiology Physician in Edina, MN.
Where does Dr. William Karczewski practice?
Dr. William Karczewski practices at 3600 Minnesota Dr Ste 800, Edina, MN 554357915. Office phone: 9525951100.
What is Dr. William Karczewski's NPI?
Dr. William Karczewski's National Provider Identifier (NPI) is 1275896490, issued by NPPES.
Does Dr. William Karczewski accept Medicare assignment?
Yes. Dr. William Karczewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Karczewski commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Screening mammography (HCPCS 77067); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.