Doctor profile · Federal record
Dr. Stephen Kwak, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Baltimore, MD
- NPI 1154853729
- MIPS 74.4 / 100 · 2023
- 9 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
600 N Wolfe St
Baltimore, MD 212870005
(410) 955-5000 - Additional location
-
1 Atwell RD
Cooperstown, NY 133261301
(607) 547-3456
fax (607) 547-6612 - Mailing address
-
6201 Greenleigh Ave
Middle River, MD 212202004
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- June 3, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Maryland #D93861
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154853729. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,400
Distinct HCPCS
10
Medicare allowed
$50,146
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 4,993 | 48 | $0 | |
71045 |
X-ray of chest, 1 view | 479 | 406 | $9 | |
71046 |
X-ray of chest, 2 views | 127 | 126 | $11 | |
A9585 |
Injection, gadobutrol, 0.1 ml | 111 | 11 | $0 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 83 | 82 | $90 | |
71046 |
X-ray of chest, 2 views | 78 | 77 | $36 | |
71260 |
Ct scan of chest with contrast | 56 | 56 | $55 | |
74018 |
X-ray of abdomen, 1 view | 56 | 52 | $9 | |
71250 |
Ct scan of chest without contrast | 48 | 47 | $53 | |
73560 |
X-ray of knee, 1-2 views | 33 | 29 | $9 |
In context: peer comparison
Among 175 peers in Baltimore Diagnostic Radiology Physician, average services per provider: 377. This provider delivers 17× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Stephen Kwak's medical specialty?
Dr. Stephen Kwak practices Diagnostic Radiology Physician in Baltimore, MD.
Where does Dr. Stephen Kwak practice?
Dr. Stephen Kwak practices at 600 N Wolfe St, Baltimore, MD 212870005. Office phone: 4109555000.
What is Dr. Stephen Kwak's NPI?
Dr. Stephen Kwak's National Provider Identifier (NPI) is 1154853729, issued by NPPES.
Does Dr. Stephen Kwak accept Medicare assignment?
Dr. Stephen Kwak does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Stephen Kwak commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); X-ray of chest, 1 view (HCPCS 71045); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.