Doctor profile · Federal record
Dr. Mark Day, M.D.
Internal Medicine Physician · Emergency Medicine Physician · Critical Access Hospital · Staunton, IL
- NPI 1174679237
- 19 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
400 N Caldwell St
Staunton, IL 620881173
(618) 635-2200
fax (618) 635-3400 - Mailing address
-
200 Corporate Blvd
Lafayette, LA 705083870
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- September 29, 2020
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036.117437
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174679237. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
142
Distinct HCPCS
4
Medicare allowed
$17,679
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 76 | 69 | $122 | |
99285 |
Emergency department visit with high level of medical decision making | 41 | 40 | $179 | |
99283 |
Emergency department visit with low level of medical decision making | 13 | 13 | $73 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 12 | 12 | $8 |
In context: peer comparison
Among 2 peers in Staunton Internal Medicine Physician, average services per provider: 31. This provider delivers 4.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
39
Patients
26
Total drug cost
$201
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levofloxacin | Generic | 15 | 14 | $87 |
| Azithromycin | Generic | 12 | 0 | $38 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 12 | 12 | $77 |
Frequently asked questions
What is Dr. Mark Day's medical specialty?
Dr. Mark Day practices Internal Medicine Physician in Staunton, IL.
Where does Dr. Mark Day practice?
Dr. Mark Day practices at 400 N Caldwell St, Staunton, IL 620881173. Office phone: 6186352200.
What is Dr. Mark Day's NPI?
Dr. Mark Day's National Provider Identifier (NPI) is 1174679237, issued by NPPES.
What procedures does Dr. Mark Day commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.