Andrew Chua Tiu, M.D.
NPI 1194248435ActiveIndividual· Internal Medicine, Hematology & Oncology· Fredericksburg, VA
Internal Medicine, Hematology & Oncology (M.D.) with Medstar Medical Group II LLC, practicing in Fredericksburg, Virginia. In 2024 Medicare paid $184,219 for 174 patients, and Part D covered 194 of their prescriptions, 81% of them generic. Glaxosmithkline, LLC. was the largest of 6 companies reporting payments in 2025, $194.90 in all, mostly food and beverage. Lists Mary Washington Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1194248435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2017 |
| Last updated in NPPES | Jun 16, 2024 |
| Certified by provider | Jun 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 0101278968 | VA |
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 (DC); Practitioner - Hematology/Oncology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 174 |
|---|---|
| Services billed | 8,087 across 60 procedure codes |
| Paid by Medicare | $184,219 |
Part D prescriptions in 2024
| Prescriptions (claims) | 194 · 264 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $195,897 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Mary Washington HospitalFredericksburg, VA
- Medstar Washington Hospital CenterWashington, DC
Industry payments (Open Payments)
- 2025$194.90 · 7 payments from 6 companies
- 2024$3,169 · 9 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $58.89 | 2 |
| Novartis Pharmaceuticals Corporation | $34.91 | 1 |
| Eisai Inc. | $30.96 | 1 |
| Jazz Pharmaceuticals Inc. | $27.57 | 1 |
| Celgene Corporation | $21.85 | 1 |
What the 2025 payments were for
- Food and Beverage$194.90 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 hematologist-oncologists in Fredericksburg · All hematologist-oncologists in Virginia