DOMINIQUE C D'SOUZA MD
NPI 1861078206
Family Medicine in O Fallon, IL
About Dominique C D'souza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOMINIQUE C D'SOUZA MD (NPI 1861078206) is an individual family medicine provider in O Fallon, Illinois, licensed in Illinois (036.169372) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 4
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
Dominique C D'souza 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
2Medicare enrollment records show Dominique D'souza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
O Fallon, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 329 clinicians in this Medicare group
O Fallon, IL 62269
- Reassigned Medicare billing, Illinois enrollment
- 38 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Josephs Hospital
Acute Care Hospitals · Breese, ILHshs St Elizabeth's Hospital
Acute Care Hospitals · O Fallon, ILWashington County Hospital
Critical Access Hospitals · Nashville, ILSt Joseph's Hospital
Critical Access Hospitals · Highland, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
O FALLON, IL 62269
O FALLON, IL 62269
O FALLON, IL 62269
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 Dominique D'souza's NPI number?
The NPI number for Dominique D'souza is 1861078206. It was assigned to this individual provider in the NPPES registry on March 23, 2021.
Where is Dominique D'souza located?
Dominique D'souza practices at 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269. The listed phone number is (618) 233-7880.
What is Dominique D'souza's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Dominique D'souza enrolled in Medicare?
Yes. Dominique D'souza 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 Dominique D'souza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dominique D'souza reassigns Medicare benefits to 2 organizations: Cep America-Illinois Hospitalists, LLP (O Fallon, IL) and St Elizabeths Hospital Of The Hospital Sisters Of The Third Order (O Fallon, IL). 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 Dominique D'souza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dominique D'souza affiliated with any hospitals?
According to CMS data, Dominique D'souza is affiliated with St Josephs Hospital, Hshs St Elizabeth's Hospital, Washington County Hospital and St Joseph's Hospital.
When was this NPI record last updated?
The NPPES record for Dominique D'souza was last updated on August 8, 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.
# Dominique C D'souza, MD · NPI 1861078206
Family Medicine physician in O Fallon, Illinois. Individual provider, active in the CMS NPPES registry since March 23, 2021.
## Identity
- **NPI:** 1861078206 (Entity type: Individual)
- **Enumerated:** March 23, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 036.169372 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3 SAINT ELIZABETH BLVD STE 4000, O Fallon, IL 62269-1284
- **Phone:** (618) 233-7880
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Cep America-Illinois Hospitalists, LLP (NPI 1093380180, O Fallon, IL); St Elizabeths Hospital Of The Hospital Sisters Of The Third Order (NPI 1326268202, O Fallon, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1861078206) · Data from the CMS NPPES public registry.