Maria Carmina Perez, M.D.
NPI 1184681074ActiveIndividual· Internal Medicine, Nephrology· Irving, TX
Internal Medicine, Nephrology (M.D.) with Dallas Nephrology Associates, practicing in Irving, Texas. Their prescriptions cost Medicare Part D more than their services did: $248,548 for 1,656 claims, against $155,070 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 3 companies reporting payments in 2025, $41.92 in all, mostly food and beverage. Lists Baylor Scott & White Medical Center at Irving as a hospital affiliation.
Overview
| NPI | 1184681074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Feb 2, 2024 |
| Certified by provider | Feb 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | L1429 | TX |
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 | 330 |
|---|---|
| Services billed | 2,544 across 27 procedure codes |
| Paid by Medicare | $155,070 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,656 · 3,871 30-day fills |
|---|---|
| Patients | 283 |
| Total drug cost | $248,548 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dallas Nephrology AssociatesIrving, TX · 157 clinicians
Hospital affiliation
Other facilities
- Fresenius Medical Care Grand PrairieDialysis facility · Grand Prairie, TX
- Irving DialysisDialysis facility · Irving, TX
- Baylor Scott & White Institute for RehabilitationInpatient rehabilitation facility · Irving, TX
Industry payments (Open Payments)
- 2025$41.92 · 3 payments from 3 companies
- 2024$72.92 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $23.16 | 1 |
| Aurinia Pharma U.S., Inc. | $18.37 | 1 |
| Travere Therapeutics, Inc. | $0.39 | 1 |
What the 2025 payments were for
- Food and Beverage$41.53 · 2 payments
- Education$0.39 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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