Mary Virginia Stringfellow, M.D.
NPI 1194743849ActiveIndividual· Internal Medicine, Hematology & Oncology· Baton Rouge, LA
Internal Medicine, Hematology & Oncology (M.D.) in Baton Rouge, Louisiana, trained at Mercer University School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $1,011,980 for 575 claims, against $6,969 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 21 companies reporting payments in 2025, $1,102 in all, mostly food and beverage.
Overview
| NPI | 1194743849 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Jan 13, 2026 |
| Certified by provider | Jan 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 14408R | LA |
| Internal Medicine, Hematology | 207RH0000X | 14408R | LA |
| Hospitalist | 208M00000X | 14408R | LA |
| Internal Medicine, Medical Oncology | 207RX0202X | 14408R | LA |
| Internal Medicine | 207R00000X | 14408R | LA |
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 (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 115 across 5 procedure codes |
| Paid by Medicare | $6,969 |
Part D prescriptions in 2024
| Prescriptions (claims) | 575 · 749 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $1,011,980 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Hematology/Oncology |
Medical groups
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
- Hospital Service District 1 of East Baton Rouge ParishZachary, LA · 44 clinicians
Hospital affiliations
- Lane Regional Medical CenterZachary, LA
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
- Pointe Coupee General HospitalNew Roads, LA
Industry payments (Open Payments)
- 2025$1,102 · 51 payments from 21 companies
- 2024$1,205 · 63 payments from 23 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $318.56 | 15 |
| Janssen Biotech, Inc. | $188.66 | 8 |
| Novartis Pharmaceuticals Corporation | $99.61 | 4 |
| Daiichi Sankyo Inc. | $75.35 | 3 |
| Astellas Pharma US Inc | $50.75 | 2 |
What the 2025 payments were for
- Food and Beverage$1,102 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 hematologist-oncologists in Baton Rouge · All hematologist-oncologists in Louisiana