Maria S. Rayas, MD
NPI 1457536328ActiveIndividual· Pediatrics, Pediatric Endocrinology· San Antonio, TX
Pediatrics, Pediatric Endocrinology (MD) in San Antonio, Texas, trained at University of Texas Medical School at San Antonio (class of 2007). Part D covered 65 prescriptions written in 2024. Sanofi-Aventis U.S. LLC was the largest of 9 companies reporting payments in 2025, $257.03 in all, mostly food and beverage.
Overview
| NPI | 1457536328 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 9, 2008 |
| Last updated in NPPES | Oct 12, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Endocrinology Primary | 2080P0205X | N6606 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pediatric Medicine (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 65 · 113 30-day fills |
|---|---|
| Total drug cost | $14,801 |
Education and affiliations
| Medical school | University of Texas Medical School at San Antonio |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Pediatric Medicine |
Medical group
- University of Texas Health Science Center at San AntonioSan Antonio, TX · 1,297 clinicians
Hospital affiliation
- University Health SystemSan Antonio, TX
Industry payments (Open Payments)
- 2025$257.03 · 12 payments from 9 companies
- 2024$323.41 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $48.45 | 2 |
| Novo Nordisk Inc | $41.05 | 2 |
| Ascendis Pharma Endocrinology Inc | $37.98 | 2 |
| Tolmar, Inc. | $23.56 | 1 |
| Neurocrine Biosciences, Inc. | $22.19 | 1 |
What the 2025 payments were for
- Food and Beverage$257.03 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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