Matthias Simon, M.D., PH.D.
NPI 1508950130ActiveIndividual· Internal Medicine, Nephrology· Live Oak, TX
Internal Medicine, Nephrology (M.D., PH.D.) with Renal Associates, P.A., practicing in Live Oak, Texas. Their prescriptions cost Medicare Part D more than their services did: $885,754 for 2,532 claims, against $291,279 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $412.08 in all, mostly food and beverage. Lists Baptist Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1508950130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Jul 3, 2025 |
| Certified by provider | Jul 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | M5509 | TX |
| Internal Medicine | 207R00000X | 01061565A | IN |
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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 476 |
|---|---|
| Services billed | 4,574 across 37 procedure codes |
| Paid by Medicare | $291,279 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,532 · 5,112 30-day fills |
|---|---|
| Patients | 337 |
| Total drug cost | $885,754 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Renal Associates, P.A.Seguin, TX · 40 clinicians
Hospital affiliations
- Baptist Medical CenterSan Antonio, TX
- Uvalde Memorial HospitalUvalde, TX
Other facilities
- Fkc SchertzDialysis facility · Schertz, TX
- Kidney Disease Clinic of UvaldeDialysis facility · Uvalde, TX
Industry payments (Open Payments)
- 2025$412.08 · 21 payments from 10 companies
- 2024$721.89 · 33 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $81.66 | 3 |
| Otsuka America Pharmaceutical, Inc. | $74.81 | 4 |
| Fresenius USA Marketing, Inc. | $51.51 | 3 |
| Opko Pharmaceuticals, LLC | $51.34 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $40.15 | 2 |
What the 2025 payments were for
- Food and Beverage$412.08 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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