John C. Allen, M.D.
NPI 1417275652ActiveIndividual· Internal Medicine, Hematology & Oncology· Oxford, MS
Internal Medicine, Hematology & Oncology (M.D.) in Oxford, Mississippi, trained at University of Mississippi School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $3,757,018 for 1,991 claims, against $118,669 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 35 companies reporting payments in 2025, $3,480 in all, mostly food and beverage.
Overview
| NPI | 1417275652 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2010 |
| Last updated in NPPES | Jun 4, 2021 |
| Certified by provider | Jun 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 24648 | MS |
| Emergency Medicine, Emergency Medical Services | 207PE0004X | 51509 | TN |
| Internal Medicine | 207R00000X | 51509 | TN |
| Internal Medicine | 207R00000X | 0101254562 | 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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 592 |
|---|---|
| Services billed | 2,554 across 14 procedure codes |
| Paid by Medicare | $118,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,991 · 2,340 30-day fills |
|---|---|
| Patients | 274 |
| Total drug cost | $3,757,018 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Hematology/Oncology |
Medical groups
- Baptist Memorial Medical Group, Inc.Germantown, TN · 576 clinicians
- Baptist Memorial Hospital Union County, Inc.New Albany, MS · 42 clinicians
Hospital affiliations
- Baptist Memorial Hospital North MsOxford, MS
- Baptist Memorial Hospital Union CountyNew Albany, MS
Other facilities
- Arden Home Health of North Mississippi, LLCHome health agency · Oxford, MS
- Baptist Home Care and Hospice North MississippiHome health agency · Batesville, MS
- Vitalcaring GroupHome health agency · Cleveland, MS
Industry payments (Open Payments)
- 2025$3,480 · 174 payments from 35 companies
- 2024$3,581 · 190 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $327.16 | 17 |
| Merck Sharp & Dohme LLC | $319.85 | 14 |
| E.R. Squibb & Sons, L.L.C. | $309.63 | 18 |
| Gilead Sciences, Inc. | $229.94 | 9 |
| Janssen Biotech, Inc. | $210.14 | 13 |
What the 2025 payments were for
- Food and Beverage$3,480 · 174 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Oxford
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- 1760415608
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All Internal Medicine, Hematology & Oncology providers in Mississippi →