Maria Riaz, MD
NPI 1245751940ActiveIndividual· Internal Medicine· Centralia, IL
Internal Medicine (MD) with Physician Services Corporation of Southern Illinois Inc, practicing in Centralia, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,037,067 for 10,830 claims, against $2,652 paid for services in 2024. Lists Good Samaritan Regional Hlth Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1245751940 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2017 |
| Last updated in NPPES | Nov 17, 2020 |
| Certified by provider | Nov 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036154172 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 50 |
|---|---|
| Services billed | 97 across 16 procedure codes |
| Paid by Medicare | $2,652 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,830 · 18,752 30-day fills |
|---|---|
| Patients | 478 |
| Total drug cost | $1,037,067 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Physician Services Corporation of Southern Illinois IncSalem, IL · 120 clinicians
Hospital affiliations
- Good Samaritan Regional Hlth CenterMount Vernon, IL
- Ssm Health St Mary's Hospital -CentraliaCentralia, IL
Other facilities
- Mederi CaretendersHome health agency · Mount Vernon, IL
- Ssm Health at Home Health-IllinoisHome health agency · Mount Vernon, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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