Doctor profile · Federal record
Dr. Gregory Mlacker, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Internal Medicine Physician · Grand Rapids, MI
- NPI 1205219904
- Accepts Medicare
- MIPS 71.7 / 100 · 2023
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
3264 N Evergreen Dr Ne
Grand Rapids, MI 495259746
(616) 363-7272
fax (616) 361-5828 - Additional location
-
505 Parnassus Ave
San Francisco, CA 941432204
(415) 353-1821 - Additional location
-
44405 Woodward Ave
Pontiac, MI 483415023
(248) 858-6233
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- July 15, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (3)
- Michigan #4301504388 · California #A166901 · Michigan #L801239
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205219904. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,190
Distinct HCPCS
10
Medicare allowed
$160,471
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 987 | 846 | $9 | |
70450 |
Ct scan head or brain without contrast | 365 | 358 | $40 | |
71046 |
X-ray of chest, 2 views | 277 | 274 | $11 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 262 | 259 | $87 | |
71271 |
Low dose ct scan of chest for lung cancer screening | 216 | 216 | $52 | |
72197 |
Mri scan of pelvis before and after contrast | 208 | 205 | $106 | |
72125 |
Ct scan of upper spine without contrast | 176 | 175 | $47 | |
71250 |
Ct scan of chest without contrast | 135 | 135 | $51 | |
74176 |
Ct scan of abdomen and pelvis without contrast | 133 | 133 | $84 | |
71260 |
Ct scan of chest with contrast | 102 | 100 | $53 |
In context: peer comparison
Among 98 peers in this city , average services per provider: 85. This provider delivers 49× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gregory Mlacker's medical specialty?
Dr. Gregory Mlacker practices Diagnostic Radiology Physician in Grand Rapids, MI.
Where does Dr. Gregory Mlacker practice?
Dr. Gregory Mlacker practices at 3264 N Evergreen Dr Ne, Grand Rapids, MI 495259746. Office phone: 6163637272.
What is Dr. Gregory Mlacker's NPI?
Dr. Gregory Mlacker's National Provider Identifier (NPI) is 1205219904, issued by NPPES.
Does Dr. Gregory Mlacker accept Medicare assignment?
Yes. Dr. Gregory Mlacker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Mlacker 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); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.