Yifan Tu, M.D.
NPI 1447405899ActiveIndividual· Internal Medicine, Hematology & Oncology· St. Louis, MO
Internal Medicine, Hematology & Oncology (M.D.) with Mercy Clinic Oncology LLC, practicing in St. Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $7,206,122 for 2,522 claims, against $53,145 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 52 companies reporting payments in 2025, $16,495 in all, mostly consulting fees. Lists Mercy Hospital South and 1 other hospital as hospital affiliations.
Overview
| NPI | 1447405899 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 26, 2008 |
| Last updated in NPPES | May 25, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 2014024071 | MO |
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 - Hematology/Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 292 |
|---|---|
| Services billed | 730 across 12 procedure codes |
| Paid by Medicare | $53,145 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,522 · 4,120 30-day fills |
|---|---|
| Patients | 396 |
| Total drug cost | $7,206,122 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Mercy Clinic Oncology LLCSaint Louis, MO · 33 clinicians
Hospital affiliations
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$16,495 · 176 payments from 52 companies
- 2024$21,599 · 189 payments from 49 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $4,733 | 20 |
| Avyxa Pharma, LLC | $4,145 | 7 |
| Daiichi Sankyo Inc. | $3,518 | 13 |
| Amgen Inc. | $750.00 | 1 |
| Gilead Sciences, Inc. | $326.29 | 7 |
What the 2025 payments were for
- Consulting Fee$7,705 · 4 payments
- Food and Beverage$4,253 · 167 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,750 · 2 payments
- Travel and Lodging$1,787 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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