Yiliam Castillo, M.D.
NPI 1922547942ActiveIndividual· Internal Medicine, Infectious Disease· Kissimmee, FL
Internal Medicine, Infectious Disease (M.D.) with Osceola Infectious Disease Consultancy Services PLLC, practicing in Kissimmee, Florida. Part D covered 88 prescriptions written in 2024, 81% of them generic. Pfizer Inc. reported $22.60 in payments in 2025, mostly food and beverage. Lists Adventhealth Orlando and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1922547942 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 23, 2017 |
| Last updated in NPPES | Jun 29, 2025 |
| Certified by provider | Jun 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | ME144374 | 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 - Infectious Disease (FL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 214 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $18,751 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Osceola Infectious Disease Consultancy Services PLLCKissimmee, FL · 2 clinicians
Hospital affiliations
- Adventhealth OrlandoOrlando, FL
- HCA Florida Osceola HospitalKissimmee, FL
- Ucf Lake Nona HospitalOrlando, FL
Industry payments (Open Payments)
- 2025$22.60 · 1 payment from 1 company
- 2024$236.49 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $22.60 | 1 |
What the 2025 payments were for
- Food and Beverage$22.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 infectious disease specialists in Kissimmee · All infectious disease specialists in Florida