Joshua Daniel Martinez, DO
NPI 1871090696ActiveIndividual· Internal Medicine, Nephrology· Galveston, TX
Internal Medicine, Nephrology (DO) in Galveston, Texas, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $353,954 for 1,254 claims, against $145,731 paid for services in 2024. Amgen Inc. was the largest of 15 companies reporting payments in 2025, $1,208 in all, mostly food and beverage.
Overview
| NPI | 1871090696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 9, 2018 |
| Last updated in NPPES | May 22, 2026 |
| Certified by provider | May 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | U4262 | TX |
| Internal Medicine | 207R00000X | BP10063398 | 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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 1,169 across 17 procedure codes |
| Paid by Medicare | $145,731 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,254 · 2,925 30-day fills |
|---|---|
| Patients | 301 |
| Total drug cost | $353,954 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dallas Renal Group, P.A.Dallas, TX · 53 clinicians
Hospital affiliations
- Comanche County Medical CenterComanche, TX
- Glen Rose Medical CenterGlen Rose, TX
- Lake Granbury Medical CenterGranbury, TX
- Methodist Mansfield Medical CenterMansfield, TX
- Texas Health Arlington Memorial HospitalArlington, TX
Other facilities
- Fmc GranburyDialysis facility · Granbury, TX
- Usrc Premier MansfieldDialysis facility · Mansfield, TX
- Usrc Premier StephenvilleDialysis facility · Stephenville, TX
- New Century Hospice of DallasHospice · Richardson, TX
Industry payments (Open Payments)
- 2025$1,208 · 51 payments from 15 companies
- 2024$1,156 · 46 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $251.28 | 12 |
| Astrazeneca Pharmaceuticals LP | $174.17 | 5 |
| Vifor Pharma, Inc. | $156.86 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $124.66 | 5 |
| Calliditas Therapeutics US Inc. | $97.27 | 4 |
What the 2025 payments were for
- Food and Beverage$1,168 · 49 payments
- Education$40.44 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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