Doctor profile · Federal record
Dr. John Downing, DO
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Chicago, IL
- NPI 1073889242
- Accepts Medicare
- MIPS 93.1 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
836 W Wellington Ave
Chicago, IL 606575147
(773) 975-1600 - Additional location
-
5454 Hohman Ave
Hammond, IN 46320
(219) 932-2300
fax (219) 852-2502 - Mailing address
-
29373 Network Pl
Chicago, IL 606731293
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- December 21, 2023
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Illinois #036.140717 · Indiana #02004823A
- Medicaid
- IN #201370550
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073889242. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
524
Distinct HCPCS
4
Medicare allowed
$80,595
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 300 | 290 | $165 | |
99284 |
Emergency department visit with moderate level of medical decision making | 136 | 136 | $113 | |
99291 |
Critical care, first 30-74 minutes | 73 | 71 | $201 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $68 |
In context: peer comparison
Among 334 peers in this city , average services per provider: 87. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
892
Patients
411
Total drug cost
$22,003
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Warfarin Sodium | Generic | 679 | 258 | $12,056 |
| Jantoven (Warfarin Sodium) | Brand | 67 | 23 | $1,031 |
| Enoxaparin Sodium | Generic | 46 | 30 | $8,285 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 27 | $138 |
| Ibuprofen | Generic | 25 | 25 | $76 |
| Cephalexin | Generic | 23 | 23 | $244 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $144 |
| Prednisone | Generic | 12 | 12 | $30 |
Frequently asked questions
What is Dr. John Downing's medical specialty?
Dr. John Downing practices Emergency Medicine Physician in Chicago, IL.
Where does Dr. John Downing practice?
Dr. John Downing practices at 836 W Wellington Ave, Chicago, IL 606575147. Office phone: 7739751600.
What is Dr. John Downing's NPI?
Dr. John Downing's National Provider Identifier (NPI) is 1073889242, issued by NPPES.
Does Dr. John Downing accept Medicare assignment?
Yes. Dr. John Downing accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Downing commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.