Jack Locardi Cortese, M.D.
NPI 1659374577ActiveIndividual· Internal Medicine, Nephrology· Corpus Christi, TX
Internal Medicine, Nephrology (M.D.) in Corpus Christi, Texas, trained at University of Tennessee, Hsc, College of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $391,194 for 634 claims, against $128,299 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 12 companies reporting payments in 2025, $1,097 in all, mostly food and beverage.
Overview
| NPI | 1659374577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Aug 30, 2022 |
| Certified by provider | Aug 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | F0427 | 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 | 195 |
|---|---|
| Services billed | 1,126 across 19 procedure codes |
| Paid by Medicare | $128,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 634 · 1,078 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $391,194 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of Tennessee, Hsc, College of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Corpus Nephrology NetworkCorpus Christi, TX · 2 clinicians
Hospital affiliations
- Christus Spohn Hospital Corpus ChristiCorpus Christi, TX
- Corpus Christi Medical Center,theCorpus Christi, TX
Other facilities
- Davita Beeville Renal CenterDialysis facility · Beeville, TX
- Davita Riverside Renal CenterDialysis facility · Robstown, TX
- Fkc Kings CrossingDialysis facility · Corpus Christi, TX
- Usrc Oso Bay DialysisDialysis facility · Corpus Christi, TX
Industry payments (Open Payments)
- 2025$1,097 · 43 payments from 12 companies
- 2024$1,479 · 63 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $365.13 | 11 |
| Astrazeneca Pharmaceuticals LP | $252.44 | 10 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $141.16 | 7 |
| Calliditas Therapeutics US Inc. | $81.23 | 4 |
| Xeris Pharmaceuticals, Inc. | $69.17 | 3 |
What the 2025 payments were for
- Food and Beverage$1,097 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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