DR. DELWIN MERCHANT MD
NPI 1023279643
Emergency Medicine in Greenville, IL
About Dr. Delwin Merchant Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DELWIN MERCHANT MD (NPI 1023279643) is an individual emergency medicine provider in Greenville, Illinois, licensed in Illinois (036.130675) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with St Anthonys Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Delwin Merchant Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Delwin Merchant reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenville, IL 62246
- Reassigned Medicare billing, Illinois enrollment
- 982 clinicians in this Medicare group
Vandalia, IL 62471
- Reassigned Medicare billing, Illinois enrollment
- 652 clinicians in this Medicare group
Highland, IL 62249
- Reassigned Medicare billing, Illinois enrollment
- 119 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Missouri enrollment
- 343 clinicians in this Medicare group
Saint Louis, MO 63106
- Reassigned Medicare billing, Missouri enrollment
- 269 clinicians in this Medicare group
Potosi, MO 63664
- Reassigned Medicare billing, Missouri enrollment
- 60 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- 235 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Anthonys Memorial Hospital
Acute Care Hospitals · Effingham, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILSt Joseph's Hospital Health Center
Acute Care Hospitals · Syracuse, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62246 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENVILLE, IL 62246
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Delwin Merchant's NPI number?
The NPI number for Delwin Merchant is 1023279643. It was assigned to this individual provider in the NPPES registry on June 17, 2008.
Where is Delwin Merchant located?
Delwin Merchant practices at 200 Health Care Dr, Greenville, IL 62246. The listed phone number is (618) 664-1230.
What is Delwin Merchant's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Delwin Merchant enrolled in Medicare?
Yes. Delwin Merchant is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Delwin Merchant's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Delwin Merchant reassigns Medicare benefits to 7 organizations: Cepamerica Illinois LLP (Greenville, IL), Sarah Bush Lincoln Health Center (Vandalia, IL), Vituity - Illinois Auc LLP (Highland, IL), Southeastern Emergency Physicians Of Memphis LLC (Alton, IL), Cep America LLC (Saint Louis, MO) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Delwin Merchant's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Delwin Merchant affiliated with any hospitals?
According to CMS data, Delwin Merchant is affiliated with St Anthonys Memorial Hospital, Hshs St Elizabeth's Hospital and St Joseph's Hospital Health Center.
When was this NPI record last updated?
The NPPES record for Delwin Merchant was last updated on January 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Delwin Merchant, MD · NPI 1023279643
Emergency Medicine physician in Greenville, Illinois. Individual provider, active in the CMS NPPES registry since June 17, 2008.
## Identity
- **NPI:** 1023279643 (Entity type: Individual)
- **Enumerated:** June 17, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036.130675 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 HEALTH CARE DR, Greenville, IL 62246-1154
- **Phone:** (618) 664-1230
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Cepamerica Illinois LLP (NPI 1225537137, Greenville, IL); Sarah Bush Lincoln Health Center (NPI 1306959689, Vandalia, IL); Vituity - Illinois Auc LLP (NPI 1902394786, Highland, IL); Southeastern Emergency Physicians Of Memphis LLC (NPI 1437105277, Alton, IL); Cep America LLC (NPI 1699461673, Saint Louis, MO); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 2008
## Record status
- **NPPES last updated:** January 11, 2024
- **Other identifiers:** Medicaid 1023279643 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1023279643) · Data from the CMS NPPES public registry.