John Ray Martinez, M.D.
NPI 1154352417ActiveIndividual· Internal Medicine, Nephrology· Branson, MO
Internal Medicine, Nephrology (M.D.) in Branson, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $315,024 for 1,141 claims, against $154,092 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $156.24 in all, mostly food and beverage.
Overview
| NPI | 1154352417 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | Oct 17, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | R2G43 | MO |
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 (AR); Practitioner - Nephrology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 445 |
|---|---|
| Services billed | 2,085 across 39 procedure codes |
| Paid by Medicare | $154,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,141 · 2,159 30-day fills |
|---|---|
| Patients | 176 |
| Total drug cost | $315,024 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Nephrology |
Medical group
- Branson Nephrology LLCBranson, MO · 6 clinicians
Hospital affiliations
- Cox Medical Center BransonBranson, MO
- Cox Medical CentersSpringfield, MO
- North Arkansas Regional Medical CenterHarrison, AR
- University of Kansas HospitalKansas City, KS
Other facilities
- Branson DialysisDialysis facility · Branson, MO
- Branson Kidney Center LLCDialysis facility · Branson West, MO
- Harrison DialysisDialysis facility · Harrison, AR
- Select Specialty Hospital Springfield, IncLong-term care hospital · Springfield, MO
Industry payments (Open Payments)
- 2025$156.24 · 3 payments from 3 companies
- 2024$94.59 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $93.16 | 1 |
| Calliditas Therapeutics US Inc. | $38.89 | 1 |
| Novo Nordisk Inc | $24.19 | 1 |
What the 2025 payments were for
- Food and Beverage$156.24 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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