Mark Sides, MD
NPI 1861879348ActiveIndividual· Internal Medicine, Medical Oncology· New Orleans, LA
Internal Medicine, Medical Oncology (MD) in New Orleans, Louisiana, trained at Tulane University School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,837,824 for 254 claims, against $17,088 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 6 companies reporting payments in 2025, $227.21 in all, mostly food and beverage.
Overview
| NPI | 1861879348 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 4, 2015 |
| Last updated in NPPES | Jul 2, 2020 |
| Certified by provider | Jul 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 000000 | LA |
| Internal Medicine | 207R00000X | BP10052624 | TX |
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 - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 197 across 9 procedure codes |
| Paid by Medicare | $17,088 |
Part D prescriptions in 2024
| Prescriptions (claims) | 254 · 298 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $1,837,824 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
Medical group
- Administrators of the Tulane Educational FundNew Orleans, LA · 393 clinicians
Hospital affiliations
- East Jefferson General HospitalMetairie, LA
- University Medical Center New OrleansNew Orleans, LA
Industry payments (Open Payments)
- 2025$227.21 · 11 payments from 6 companies
- 2024$143.99 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $76.20 | 3 |
| Array Biopharma Inc | $53.80 | 3 |
| Astrazeneca Pharmaceuticals LP | $39.49 | 2 |
| Pfizer Inc. | $22.86 | 1 |
| Glaxosmithkline, LLC. | $17.49 | 1 |
What the 2025 payments were for
- Food and Beverage$227.21 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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