Siloe M. Alvarado-Chittenden, MD
NPI 1477972693ActiveIndividual· Internal Medicine· Orlando, FL
Internal Medicine (MD) in Orlando, Florida, trained at University of Puerto Rico School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $76,140 for 1,077 claims, against $23,705 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $247.26 in all, mostly food and beverage.
Overview
| NPI | 1477972693 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 15, 2014 |
| Last updated in NPPES | Oct 27, 2023 |
| Certified by provider | Oct 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME149700 | FL |
| Internal Medicine, Nephrology | 207RN0300X | S3111 | TX |
| Internal Medicine, Nephrology | 207RN0300X | 259776 | MA |
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); Practitioner - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 279 across 25 procedure codes |
| Paid by Medicare | $23,705 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,077 · 2,648 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $76,140 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Ability Health Services and Rehabilitation LPSanford, FL · 1,269 clinicians
- Ability Health Services, IncSanford, FL · 1,258 clinicians
- Orlando Physicians Network IncWindermere, FL · 232 clinicians
Hospital affiliations
- Orlando HealthOrlando, FL
- Orlando Health-Health Central HospitalOcoee, FL
Other facilities
- Mederi CaretendersHome health agency · Kissimmee, FL
Industry payments (Open Payments)
- 2025$247.26 · 13 payments from 9 companies
- 2024$279.86 · 15 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $44.07 | 2 |
| Glaxosmithkline, LLC. | $36.92 | 2 |
| Amgen Inc. | $36.69 | 2 |
| Novo Nordisk Inc | $34.24 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $21.00 | 1 |
What the 2025 payments were for
- Food and Beverage$247.26 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 730 internal medicine physicians in Orlando · All internal medicine physicians in Florida