Quick answers
- Does Maryanne Y. Sourial accept Medicare assignment?
- Yes. Medicare's clinician data says Maryanne Y. Sourial accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Maryanne Y. Sourial see?
- In 2024, CMS data shows 171 Original Medicare patients and 4,050 services for Maryanne Y. Sourial. This counts Original Medicare only and measures volume, not quality.
- What is Maryanne Y. Sourial's NPI number?
- 1417346321. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Maryanne Y. Sourial, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 171 |
|---|---|
| Services billed to Medicare | 4,050 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)190 services
- Blood test, comprehensive group of blood chemicals (80053)172 services
- Magnesium level (83735)172 services
- Phosphate level (84100)172 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)154 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease75%
- Diabetes71%
- Arthritis42%
- Ischemic heart disease40%
Hospitals where Maryanne Y. Sourial works
Medicare's Facility Affiliation Data lists Maryanne Y. Sourial at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Abrom Kaplan Memorial HospitalKaplan, LA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 191322
- Acadia General HospitalCrowley, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190044
- Ochsner Lafayette General Medical CenterLafayette, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190002
- Ochsner St Martin HospitalBreaux Bridge, LA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 191302
- Ochsner University Hospital and ClinicsLafayette, LA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 190006
Practice locations
Addresses where Maryanne Y. Sourial is enrolled with Medicare (CMS data updated October 2, 2026).
- 1460 S College RdLafayette, LA 70503 (337) 703‑6431
Group practices
Medicare enrollment lists Maryanne Y. Sourial as a member of these groups (CMS data updated October 2, 2026).
- Lafayette Health Ventures Inc309 clinicians in the group
- Lafayette General Medical Center Inc81 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Lafayette
Clinicians with the same Medicare primary specialty in Lafayette, LA — not a recommendation.
Other clinicians in Lafayette Health Ventures Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417346321 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians