Edison Tsui, MD
NPI 1568876340ActiveIndividual· Internal Medicine, Hematology & Oncology· Worcester, MA
Internal Medicine, Hematology & Oncology (MD) with Reliant Medical Group Inc, practicing in Worcester, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $1,568,101 for 900 claims, against $981,910 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 6 companies reporting payments in 2025, $246.39 in all, mostly food and beverage. Lists St Vincent Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1568876340 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 19, 2014 |
| Last updated in NPPES | Jun 20, 2023 |
| Certified by provider | Jun 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 1014109 | MA |
| Internal Medicine | 207R00000X | 292787 | NY |
| Hospitalist | 208M00000X | 292787 | 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 - Hematology/Oncology (MA); Practitioner - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 414 |
|---|---|
| Services billed | 89,346 across 122 procedure codes |
| Paid by Medicare | $981,910 |
Part D prescriptions in 2024
| Prescriptions (claims) | 900 · 1,293 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $1,568,101 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Reliant Medical Group IncWorcesteer, MA · 640 clinicians
Hospital affiliations
- St Vincent HospitalWorcester, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$246.39 · 8 payments from 6 companies
- 2024$39.42 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $67.08 | 2 |
| Merck Sharp & Dohme LLC | $61.70 | 2 |
| Astrazeneca Pharmaceuticals LP | $35.67 | 1 |
| Geron Corporation | $31.16 | 1 |
| Karyopharm Therapeutics Inc. | $25.80 | 1 |
What the 2025 payments were for
- Food and Beverage$246.39 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 hematologist-oncologists in Worcester · All hematologist-oncologists in Massachusetts