Vivien Hsu, MD
NPI 1992875421ActiveIndividual· Internal Medicine, Rheumatology· New Brunswick, NJ
Internal Medicine, Rheumatology (MD) in New Brunswick, New Jersey, trained at Rutgers New Jersey Medical School (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $3,226,913 for 1,650 claims, against $32,578 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $7,310 in all, mostly consulting fees.
Overview
| NPI | 1992875421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 9, 2006 |
| Last updated in NPPES | Apr 17, 2024 |
| Certified by provider | Apr 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 25MA04721500 | NJ |
| Internal Medicine | 207R00000X | 25MA04721500 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 146 |
|---|---|
| Services billed | 284 across 21 procedure codes |
| Paid by Medicare | $32,578 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,650 · 3,292 30-day fills |
|---|---|
| Patients | 184 |
| Total drug cost | $3,226,913 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Rutgers New Jersey Medical School |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Rutgers Health-Rwj Scleroderma ProgramNew Brunswick, NJ · 391 clinicians
Hospital affiliations
- Centrastate Medical CenterFreehold, NJ
- Monmouth Medical CenterLong Branch, NJ
- Robert Wood Johnson University HospitalNew Brunswick, NJ
Industry payments (Open Payments)
- 2025$7,310 · 6 payments from 2 companies
- 2024$2,454 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $7,196 | 5 |
| Novartis Pharmaceuticals Corporation | $113.84 | 1 |
What the 2025 payments were for
- Consulting Fee$6,820 · 1 payment
- Food and Beverage$350.21 · 4 payments
- Travel and Lodging$140.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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