Yong H. Tsai, M.D.
NPI 1659363505ActiveIndividual· Internal Medicine, Rheumatology· Daytona Beach, FL
Internal Medicine, Rheumatology (M.D.) with Ability Health Services and Rehabilitation LP and 1 other group, practicing in Daytona Beach, Florida. Their prescriptions cost Medicare Part D more than their services did: $7,655,250 for 10,203 claims, against $1,920,195 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $648.71 in all, mostly food and beverage. Lists Adventhealth Daytona Beach and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1659363505 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Jun 9, 2023 |
| Certified by provider | Jun 9, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | ME0064530 | 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 - Rheumatology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 864 |
|---|---|
| Services billed | 218,523 across 60 procedure codes |
| Paid by Medicare | $1,920,195 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,203 · 19,668 30-day fills |
|---|---|
| Patients | 1,595 |
| Total drug cost | $7,655,250 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1981 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Allergy/Immunology |
Medical groups
- Ability Health Services and Rehabilitation LPSanford, FL · 1,269 clinicians
- Ability Health Services, IncSanford, FL · 1,258 clinicians
Hospital affiliations
- Adventhealth Daytona BeachDaytona Beach, FL
- Adventhealth DelandDeland, FL
- Adventhealth New Smyrna BeachNew Smyrna Beach, FL
- Adventhealth Palm Coast ParkwayPalm Coast, FL
- Adventhealth Palm CoastPalm Coast, FL
Industry payments (Open Payments)
- 2025$648.71 · 32 payments from 9 companies
- 2024$840.91 · 36 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $317.40 | 18 |
| Pfizer Inc. | $84.23 | 3 |
| Grifols USA, LLC | $51.66 | 2 |
| Amgen Inc. | $44.27 | 2 |
| Glaxosmithkline, LLC. | $37.98 | 2 |
What the 2025 payments were for
- Food and Beverage$648.71 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Daytona Beach
- 1023364387
- 1780189860
- 1770590366