Hong Xu, M.D.
NPI 1922064625ActiveIndividual· Internal Medicine, Rheumatology· Smithtown, NY
Internal Medicine, Rheumatology (M.D.) with Rheumatology Associates of Li LLP, practicing in Smithtown, New York. Their prescriptions cost Medicare Part D more than their services did: $5,040,881 for 2,829 claims, against $2,026,401 paid for services in 2024. Janssen Biotech, Inc. was the largest of 20 companies reporting payments in 2025, $5,710 in all, mostly food and beverage. Lists Suny/Stony Brook University Hospital as a hospital affiliation.
Overview
| NPI | 1922064625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 22, 2006 |
| Last updated in NPPES | May 19, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 235086 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 890 |
|---|---|
| Services billed | 176,432 across 63 procedure codes |
| Paid by Medicare | $2,026,401 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,829 · 5,254 30-day fills |
|---|---|
| Patients | 543 |
| Total drug cost | $5,040,881 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Rheumatology Associates of Li LLPSmithtown, NY · 10 clinicians
Hospital affiliation
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$5,710 · 280 payments from 20 companies
- 2024$5,900 · 264 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $1,200 | 42 |
| Amgen Inc. | $786.56 | 34 |
| Abbvie Inc. | $733.69 | 39 |
| Ucb, Inc. | $443.38 | 19 |
| Pfizer Inc. | $429.99 | 23 |
What the 2025 payments were for
- Food and Beverage$5,634 · 278 payments
- Education$76.34 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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