Mia Chana Weiss, MD
NPI 1033525332ActiveIndividual· Internal Medicine, Medical Oncology· Saint Louis, MO
Internal Medicine, Medical Oncology (MD) with Washington University, practicing in Saint Louis, Missouri. In 2024 Medicare paid $1,180,299 for 419 patients, and Part D covered 1,391 of their prescriptions, 87% of them generic. Aadi Bioscience, Inc. reported $44.17 in payments in 2025, mostly food and beverage. Lists Barnes Jewish Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1033525332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2014 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 2020023687 | MO |
| Internal Medicine | 207R00000X | 2020023687 | MO |
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 - Medical Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 419 |
|---|---|
| Services billed | 62,326 across 133 procedure codes |
| Paid by Medicare | $1,180,299 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,391 · 1,652 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $1,094,605 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Progress West HospitalOfallon, MO
Industry payments (Open Payments)
- 2025$44.17 · 2 payments from 1 company
- 2024$870.26 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aadi Bioscience, Inc. | $44.17 | 2 |
What the 2025 payments were for
- Food and Beverage$44.17 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 112 medical oncologists in Saint Louis · All medical oncologists in Missouri