Gustavo Serrano, MD
NPI 1396732442ActiveIndividual· Internal Medicine, Nephrology· Tampa, FL
Internal Medicine, Nephrology (MD) in Tampa, Florida, trained at University of Puerto Rico School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $1,517,524 for 13,444 claims, against $45,712 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,133 in all, mostly food and beverage.
Overview
| NPI | 1396732442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 4, 2005 |
| Last updated in NPPES | Mar 4, 2026 |
| Certified by provider | Mar 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | ME0065536 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 362 across 11 procedure codes |
| Paid by Medicare | $45,712 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,444 · 28,874 30-day fills |
|---|---|
| Patients | 468 |
| Total drug cost | $1,517,524 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
Hospital affiliation
- St Josephs HospitalTampa, FL
Industry payments (Open Payments)
- 2025$1,133 · 48 payments from 14 companies
- 2024$521.27 · 27 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $253.97 | 10 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $197.47 | 7 |
| Calliditas Therapeutics US Inc. | $159.40 | 6 |
| Lilly USA, LLC | $142.55 | 9 |
| Bayer Healthcare Pharmaceuticals Inc. | $70.21 | 3 |
What the 2025 payments were for
- Food and Beverage$1,114 · 47 payments
- Education$18.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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