Alfonso Castro, MD
NPI 1649472069ActiveIndividual· Internal Medicine, Pulmonary Disease· Clearwater, FL
Internal Medicine, Pulmonary Disease (MD) in Clearwater, Florida, trained at University of Puerto Rico School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $946,850 for 1,177 claims, against $157,051 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 10 companies reporting payments in 2025, $447.32 in all, mostly food and beverage.
Overview
| NPI | 1649472069 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2007 |
| Last updated in NPPES | May 19, 2026 |
| Certified by provider | May 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | ME114750 | FL |
| Internal Medicine, Sleep Medicine | 207RS0012X | ME114750 | FL |
| Internal Medicine | 207R00000X | 125050954 | IL |
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 - Pulmonary Disease (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 635 |
|---|---|
| Services billed | 1,722 across 36 procedure codes |
| Paid by Medicare | $157,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,177 · 1,741 30-day fills |
|---|---|
| Patients | 194 |
| Total drug cost | $946,850 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Sleep Medicine |
Medical groups
- Baycare Medical Group, Inc.Clearwater, FL · 1,547 clinicians
- Bay Area Chest Physicians P AClearwater, FL · 16 clinicians
Hospital affiliations
- Adventhealth North PinellasTarpon Springs, FL
- Mease Countryside HospitalSafety Harbor, FL
- Mease Dunedin HospitalDunedin, FL
- Morton Plant HospitalClearwater, FL
- Morton Plant North Bay HospitalNew Port Richey, FL
Other facilities
- Baycare Alliant HospitalLong-term care hospital · Dunedin, FL
Industry payments (Open Payments)
- 2025$447.32 · 26 payments from 10 companies
- 2024$460.20 · 29 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $163.01 | 11 |
| Abbvie Inc. | $65.04 | 3 |
| Electromed, Inc. | $40.79 | 3 |
| Harmony Biosciences LLC | $39.68 | 2 |
| Astrazeneca Pharmaceuticals LP | $38.02 | 2 |
What the 2025 payments were for
- Food and Beverage$447.32 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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