Diego Andres Beltran Melgarejo, M.D.
NPI 1104266618ActiveIndividual· Internal Medicine, Nephrology· Nashville, TN
Internal Medicine, Nephrology (M.D.) with Sanford Bismarck, practicing in Nashville, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $217,396 for 1,620 claims, against $78,250 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 7 companies reporting payments in 2025, $190.26 in all, mostly food and beverage. Lists Jamestown Regional Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1104266618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 28, 2013 |
| Last updated in NPPES | Apr 4, 2022 |
| Certified by provider | Apr 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 15479 | ND |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | TN |
| Student in an Organized Health Care Education/Training Program | 390200000X | BP10047724 | 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 (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 323 |
|---|---|
| Services billed | 1,133 across 22 procedure codes |
| Paid by Medicare | $78,250 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,620 · 3,256 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $217,396 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Sanford BismarckBismarck, ND · 556 clinicians
Hospital affiliations
- Jamestown Regional Medical CenterJamestown, ND
- Linton Hospital - CahLinton, ND
- Mobridge Regional Hospital - CahMobridge, SD
- Sanford Medical Center BismarckBismarck, ND
- Sanford Medical Center FargoFargo, ND
Other facilities
- Sanford Jamestown DialysisDialysis facility · Jamestown, ND
- Sanford Tom and Frances Leach Bismarck DialysisDialysis facility · Bismarck, ND
- Tat Kidney Dialysis UnitDialysis facility · New Town, ND
Industry payments (Open Payments)
- 2025$190.26 · 10 payments from 7 companies
- 2024$103.05 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $46.37 | 2 |
| Dexcom, Inc. | $45.56 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $33.51 | 2 |
| Novo Nordisk Inc | $18.60 | 1 |
| Alexion Pharmaceuticals, Inc. | $17.20 | 1 |
What the 2025 payments were for
- Food and Beverage$190.26 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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