Juan Diego Palacios Merchan, M.D
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D) with Renaissance Endocrinology, practicing in Edinburg, Texas. Their prescriptions cost Medicare Part D more than their services did: $6,936,193 for 14,168 claims, against $29,565 paid for services in 2024. Neurocrine Biosciences, Inc. was the largest of 4 companies reporting payments in 2025, $361.70 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1811284078 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 7, 2011 |
| Last updated in NPPES | Aug 21, 2026 |
| Certified by provider | Aug 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | R1843 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | TRN# 15763 | FL |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | R8173 | TX |
| Internal Medicine | 207R00000X | ME122111 | FL |
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 - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 418 across 8 procedure codes |
| Paid by Medicare | $29,565 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,168 · 30,407 30-day fills |
|---|---|
| Patients | 1,095 |
| Total drug cost | $6,936,193 |
| Generic share | 43% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Medical group
- Renaissance EndocrinologyMission, TX · 10 clinicians
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Mission Regional Medical CenterMission, TX
- Starr County Memorial HospitalRio Grande City, TX
Industry payments (Open Payments)
- 2025$361.70 · 4 payments from 4 companies
- 2024$71.19 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $138.05 | 1 |
| Melinta Therapeutics, LLC | $125.01 | 1 |
| Dexcom, Inc. | $56.04 | 1 |
| Abbott Laboratories | $42.60 | 1 |
What the 2025 payments were for
- Food and Beverage$361.70 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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