Sergio Alberto Trevino Manllo, MD
NPI 1629323993ActiveIndividual· Internal Medicine, Nephrology· McAllen, TX
Internal Medicine, Nephrology (MD) with South Texas Kidney Specialists, P.A. and 1 other group, practicing in McAllen, Texas. Their prescriptions cost Medicare Part D more than their services did: $619,003 for 702 claims, against $103,678 paid for services in 2024. Akebia Therapeutics Inc was the largest of 6 companies reporting payments in 2025, $11,652 in all, mostly speaking and faculty fees. Lists Doctors Hosptal at Renaissance and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1629323993 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 23, 2012 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | R1144 | 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 | 297 |
|---|---|
| Services billed | 1,005 across 17 procedure codes |
| Paid by Medicare | $103,678 |
Part D prescriptions in 2024
| Prescriptions (claims) | 702 · 1,441 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $619,003 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- South Texas Kidney Specialists, P.A.McAllen, TX · 15 clinicians
- Southern Texas Nephrology PLLCBrownsville, TX · 6 clinicians
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Knapp Medical CenterWeslaco, TX
- Mission Regional Medical CenterMission, TX
- Rio Grande Regional HospitalMcAllen, TX
- South Texas Health SystemEdinburg, TX
Other facilities
- Fkc McAllen HomeDialysis facility · Edinburg, TX
- Fkc Palm City DialysisDialysis facility · Mission, TX
- Fresenius Medical Care River Valley ClinicDialysis facility · Pharr, TX
- Mission Kidney CenterDialysis facility · Mission, TX
- Weslaco Dialysis FacilityDialysis facility · Weslaco, TX
Industry payments (Open Payments)
- 2025$11,652 · 30 payments from 6 companies
- 2024$3,563 · 28 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Akebia Therapeutics Inc | $11,336 | 16 |
| Astrazeneca Pharmaceuticals LP | $134.80 | 6 |
| Calliditas Therapeutics US Inc. | $79.94 | 3 |
| Fresenius USA Marketing, Inc. | $49.80 | 2 |
| Amgen Inc. | $34.91 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$10,868 · 8 payments
- Food and Beverage$783.98 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 nephrologists in McAllen · All nephrologists in Texas