Doctor profile · Federal record
Dr. MARK BAKER, M.D.
Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Emergency Medicine Physician · QUINCY, IL
- NPI 1023469640
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
1005 BROADWAY ST
QUINCY, IL 623012834
(217) 223-8400 - Additional location
-
640 W Washington St
Pittsfield, IL 623631350 - Additional location
-
701 N 1st St
Springfield, IL 627023757
(217) 545-3518
fax (217) 545-2711 - Additional location
-
1600 Morgan St
Keokuk, IA 526323456
(319) 526-8703
Show 1 more location
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- August 2, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Illinois #036148580 · Iowa #MD-50039
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023469640. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
721
Distinct HCPCS
5
Medicare allowed
$112,170
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 259 | 244 | $122 | |
99285 |
Emergency department visit with high level of medical decision making | 246 | 242 | $178 | |
99291 |
Critical care, first 30-74 minutes | 151 | 147 | $214 | |
99283 |
Emergency department visit with low level of medical decision making | 53 | 52 | $73 | |
99282 |
Emergency department visit with straightforward medical decision making | 12 | 12 | $42 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 153. This provider delivers 4.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
103
Patients
103
Total drug cost
$679
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 39 | 39 | $167 |
| Cephalexin | Generic | 21 | 21 | $320 |
| Morphine Sulfate | Generic | 16 | 16 | $54 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $114 |
| Prednisone | Generic | 12 | 12 | $23 |