Doctor profile · Federal record
Dr. Nicholas Peacock, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Oak Park, IL
- NPI 1619316304
- Accepts Medicare
- 13 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
520 S Maple Ave
Oak Park, IL 603041022
(708) 660-5995
fax (708) 660-2251
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Illinois #036142666
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619316304. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
473
Distinct HCPCS
4
Medicare allowed
$73,021
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 249 | 231 | $129 | |
99285 |
Emergency department visit with high level of medical decision making | 173 | 167 | $188 | |
99291 |
Critical care, first 30-74 minutes | 30 | 30 | $227 | |
99283 |
Emergency department visit with low level of medical decision making | 21 | 21 | $78 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 68. This provider delivers 7.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
137
Patients
132
Total drug cost
$924
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 26 | 26 | $264 |
| Ondansetron Odt (Ondansetron) | Brand | 17 | 16 | $153 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 16 | 14 | $69 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 15 | 15 | $87 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 14 | 14 | $36 |
| Ibuprofen | Generic | 13 | 12 | $52 |
| Prednisone | Generic | 13 | 12 | $29 |
| Famotidine | Generic | 12 | 12 | $58 |
| Cephalexin | Generic | 11 | 11 | $176 |
Frequently asked questions
What is Dr. Nicholas Peacock's medical specialty?
Dr. Nicholas Peacock practices Emergency Medicine Physician in Oak Park, IL.
Where does Dr. Nicholas Peacock practice?
Dr. Nicholas Peacock practices at 520 S Maple Ave, Oak Park, IL 603041022. Office phone: 7086605995.
What is Dr. Nicholas Peacock's NPI?
Dr. Nicholas Peacock's National Provider Identifier (NPI) is 1619316304, issued by NPPES.
Does Dr. Nicholas Peacock accept Medicare assignment?
Yes. Dr. Nicholas Peacock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Peacock 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); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.