Doctor profile · Federal record
Dr. Steven Gryniewicz, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Milwaukee, WI
- NPI 1457386153
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2000 E Layton Ave
Milwaukee, WI 532356053
(414) 744-6589
fax (414) 747-8848 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 2, 2024
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Wisconsin #30400-020
- Medicaid
- WI #31884700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457386153. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,257
Distinct HCPCS
10
Medicare allowed
$93,490
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 884 | 841 | $8 | |
70450 |
Ct scan head or brain without contrast | 316 | 313 | $37 | |
77063 |
Screening 3d breast mammography | 205 | 205 | $27 | |
77067 |
Screening mammography | 205 | 205 | $34 | |
71046 |
X-ray of chest, 2 views | 164 | 164 | $31 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 145 | 145 | $82 | |
71275 |
Ct scan of blood vessels of chest with contrast | 105 | 105 | $79 | |
72125 |
Ct scan of upper spine without contrast | 103 | 103 | $44 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 88 | 88 | $77 | |
71046 |
X-ray of chest, 2 views | 86 | 85 | $10 |
In context: peer comparison
Among 77 peers in Milwaukee Diagnostic Radiology Physician, average services per provider: 190. This provider delivers 17× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Steven Gryniewicz's medical specialty?
Dr. Steven Gryniewicz practices Diagnostic Radiology Physician in Milwaukee, WI.
Where does Dr. Steven Gryniewicz practice?
Dr. Steven Gryniewicz practices at 2000 E Layton Ave, Milwaukee, WI 532356053. Office phone: 4147446589.
What is Dr. Steven Gryniewicz's NPI?
Dr. Steven Gryniewicz's National Provider Identifier (NPI) is 1457386153, issued by NPPES.
Does Dr. Steven Gryniewicz accept Medicare assignment?
Yes. Dr. Steven Gryniewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Gryniewicz commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Screening 3d breast mammography (HCPCS 77063). Source: CMS Medicare Physician & Other Practitioners file.