Doctor profile · Federal record
Dr. Delwin Merchant, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Greenville, IL
- NPI 1023279643
- Accepts Medicare
- MIPS 87.8 / 100 · 2023
- 18 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
200 Health Care Dr
Greenville, IL 622461154
(618) 664-1230 - Additional location
-
400 S Kingshighway Blvd
Saint Louis, MO 63110
(314) 362-9123
fax (314) 747-3338 - Additional location
-
1000 Health Center Dr
Mattoon, IL 619384644
(217) 258-2551
fax (217) 258-2256 - Mailing address
-
660 S Euclid Ave, C B 8072
Saint Louis, MO 631101010
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- January 11, 2024
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Illinois #036.130675 · New York #282064 · Missouri #2014035468
- Medicaid
- MO #1023279643
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023279643. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
395
Distinct HCPCS
3
Medicare allowed
$60,689
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 220 | 214 | $182 | |
99284 |
Emergency department visit with moderate level of medical decision making | 151 | 151 | $125 | |
99283 |
Emergency department visit with low level of medical decision making | 24 | 24 | $73 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 111. This provider delivers 3.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
41
Patients
41
Total drug cost
$292
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 18 | 18 | $35 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 12 | 12 | $51 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $207 |
Frequently asked questions
What is Dr. Delwin Merchant's medical specialty?
Dr. Delwin Merchant practices Emergency Medicine Physician in Greenville, IL.
Where does Dr. Delwin Merchant practice?
Dr. Delwin Merchant practices at 200 Health Care Dr, Greenville, IL 622461154. Office phone: 6186641230.
What is Dr. Delwin Merchant's NPI?
Dr. Delwin Merchant's National Provider Identifier (NPI) is 1023279643, issued by NPPES.
Does Dr. Delwin Merchant accept Medicare assignment?
Yes. Dr. Delwin Merchant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Delwin Merchant 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); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.