Delwin Merchant, MD
Emergency Medicine Physician · Greenville, IL
Delwin Merchant, MD is an emergency medicine physician with a practice address in Greenville, Illinois, and NPI 1023279643, issued on Jun 17, 2008. Check the license (Illinois 036.130675, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Delwin Merchant
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 036.130675 IL
2014035468 MO
282064 NY
Self-reported in NPPES; status is on the state search - Practice location
- 200 Health Care Dr, Greenville, IL 62246
- Phone
- (618) 664-1230
- Enumerated
- Jun 17, 2008
- Record last updated
- Jan 11, 2024
- Medicaid ID
- 1023279643 MO
- Medicare enrollment
- Enrolled (PECOS I20161129001475); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 200 Health Care Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Abbeg, D.O.Emergency Medicine Physician1548490311
- Jodi Ahern-SchoenClinical Social Worker1568878577
- Charles Auer, MDEmergency Medicine Physician1073540431
- Jamie Baum, M.D.Emergency Medicine Physician1528004876
- Bobby Blum, ANP-CAdult Health Nurse Practitioner1235403643
- Michael Bond, DOEmergency Medicine Physician1386623353
Verify Delwin Merchant in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.130675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average emergency medicine physician in 2024
211 Medicare Part D claims for 169 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Cephalexin30 claims
- Hydrocodone-Acetaminophen24 claims
- Prednisone24 claims
- Doxycycline Hyclate18 claims
- Ondansetron Odt11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Cepamerica Illinois LLPJoliet, IL
- Physicians Medical Associates New York PCSyracuse, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Delwin Merchant among 3,291 emergency medicine physician records in Illinois
Delwin Merchant, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 39% of them.
- NPI issued2008 · 39% of these records are older, 56% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2012 among the 1,867 with a school on file
- Record last updated2024 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 emergency medicine physician records list a practice address in Greenville
They are 26 of the 160 NPPES records with a practice address in Greenville, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Greenville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Charles Auer, MDGreenville, IL 622461073540431
- Jamie Baum, M.D.Greenville, IL 622461528004876
- Michael Bond, DOGreenville, IL 622461386623353
- Beth Heppermann, M.D.Greenville, IL 622461093912917
- Bary Klevene, MDGreenville, IL 622461508033606
- Benjamin LeacockGreenville, IL 622461639375140
- Kathryn Macdonald, M.D.Greenville, IL 622461922149418
- Howard Mell, M.D.Greenville, IL 622461770557266
Common questions
What is Delwin Merchant, MD's NPI number?
Delwin Merchant, MD's National Provider Identifier (NPI) is 1023279643, issued on Jun 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Delwin Merchant, MD located?
The NPPES record lists a practice address at 200 Health Care Dr, Greenville, IL, 62246. Phone: (618) 664-1230. Providers update this record themselves, so call before visiting.
How can I verify Delwin Merchant, MD's license?
NPPES lists Illinois license number 036.130675, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Delwin Merchant, MD prescribe under Medicare Part D?
In 2024, Delwin Merchant, MD had 211 Medicare Part D claims for 169 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Delwin Merchant, MD's MIPS final score?
The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.