Doctor profile · Federal record
Dr. Marian Demus, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Body Imaging Physician · Neuroradiology Physician · Nuclear Radiology Physician · Pediatric Radiology Physician · Therapeutic Radiology Physician · Vascular & Interventional Radiology Physician · Diagnostic Ultrasound Physician · Chicago, IL
- NPI 1326146820
- Accepts Medicare
- MIPS 78.8 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1431 N Claremont Ave
Chicago, IL 606221702
(312) 633-5850
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- April 23, 2012
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Illinois #36072464
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326146820. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
6,259
Distinct HCPCS
10
Medicare allowed
$157,048
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 3,201 | 2,307 | $8 | |
70450 |
Ct scan head or brain without contrast | 855 | 817 | $38 | |
71275 |
Ct scan of blood vessels of chest with contrast | 366 | 356 | $81 | |
72125 |
Ct scan of upper spine without contrast | 228 | 223 | $45 | |
74177 |
Ct scan of abdomen and pelvis with contrast | 212 | 193 | $82 | |
71260 |
Ct scan of chest with contrast | 174 | 156 | $50 | |
74230 |
Imaging for evaluation of swallowing function | 157 | 136 | $24 | |
74018 |
X-ray of abdomen, 1 view | 114 | 103 | $8 | |
73502 |
X-ray of hip, 2-3 views | 95 | 94 | $10 | |
71101 |
X-ray of ribs on side of body, minimum of 3 views | 82 | 82 | $12 |
In context: peer comparison
Among 155 peers in Chicago Diagnostic Radiology Physician, average services per provider: 102. This provider delivers 61× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Marian Demus's medical specialty?
Dr. Marian Demus practices Diagnostic Radiology Physician in Chicago, IL.
Where does Dr. Marian Demus practice?
Dr. Marian Demus practices at 1431 N Claremont Ave, Chicago, IL 606221702. Office phone: 3126335850.
What is Dr. Marian Demus's NPI?
Dr. Marian Demus's National Provider Identifier (NPI) is 1326146820, issued by NPPES.
Does Dr. Marian Demus accept Medicare assignment?
Yes. Dr. Marian Demus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marian Demus 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); Ct scan of blood vessels of chest with contrast (HCPCS 71275). Source: CMS Medicare Physician & Other Practitioners file.