Janyll Irene Castineira, DO
NPI 1760830731ActiveIndividual· Internal Medicine, Gastroenterology· Largo, FL
Internal Medicine, Gastroenterology (DO) in Largo, Florida, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $58,747 for 417 claims, against $24,670 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 3 companies reporting payments in 2025, $121.48 in all, mostly food and beverage.
Overview
| NPI | 1760830731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 31, 2016 |
| Last updated in NPPES | May 27, 2022 |
| Certified by provider | May 27, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | OS15490 | 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 - Gastroenterology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 304 across 32 procedure codes |
| Paid by Medicare | $24,670 |
Part D prescriptions in 2024
| Prescriptions (claims) | 417 · 663 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $58,747 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
Medical group
- University of MiamiMiami, FL · 2,377 clinicians
Hospital affiliation
- Jackson Health SystemMiami, FL
Industry payments (Open Payments)
- 2025$121.48 · 4 payments from 3 companies
- 2024$1,146 · 36 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $49.58 | 2 |
| Janssen Biotech, Inc. | $39.42 | 1 |
| Abbvie Inc. | $32.48 | 1 |
What the 2025 payments were for
- Food and Beverage$121.48 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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