Dominique D'Souza, MD
NPI 1861078206 · Family Medicine Physician · O Fallon, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dominique D'Souza, MD is a Family Medicine Physician provider in O Fallon, IL (NPI 1861078206).
Provider details
- NPI number
- 1861078206
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
397 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 143 | $117 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 76 | $171 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 68 | $112 |
| Advance Care Planning, First 30 Minutes99497 | 49 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 34 | $78 |
| Critical Care, First 30-74 Minutes99291 | 27 | $214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 42 | — |
| Atorvastatin Calcium | 41 | 27 |
| Amlodipine Besylate | 35 | 17 |
| Gabapentin | 35 | — |
| Lisinopril | 27 | 12 |
| Prednisone | 23 | 18 |
| Furosemide | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-23
- Last updated
- 2024-08-08
- Certified
- 2024-08-08
Frequently asked questions
- What is Dominique D'Souza's NPI number?
- Dominique D'Souza's National Provider Identifier (NPI) is 1861078206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dominique D'Souza's specialty?
- Dominique D'Souza is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dominique D'Souza located?
- Dominique D'Souza's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284.
- What is Dominique D'Souza's phone number?
- The practice phone number listed in the NPPES registry for Dominique D'Souza is (618) 233-7880.
- Does Dominique D'Souza accept Medicare?
- Dominique D'Souza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dominique D'Souza's NPI active?
- Yes — Dominique D'Souza's NPI (1861078206) is active in the NPPES registry as of the last update on 2024-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.