Mark Mansour, M.D.
NPI 1073597241ActiveIndividual· Internal Medicine, Rheumatology· Cameron Park, CA
Internal Medicine, Rheumatology (M.D.) with Marshall Medical Center, practicing in Cameron Park, California. Their prescriptions cost Medicare Part D more than their services did: $2,271,982 for 3,627 claims, against $68,149 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $132.03 in all, mostly food and beverage. Lists Marshall Medical Center as a hospital affiliation.
Overview
| NPI | 1073597241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 1, 2005 |
| Last updated in NPPES | Oct 12, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A86841 | CA |
| Internal Medicine | 207R00000X | A86841 | CA |
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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 484 |
|---|---|
| Services billed | 1,080 across 12 procedure codes |
| Paid by Medicare | $68,149 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,627 · 5,589 30-day fills |
|---|---|
| Patients | 421 |
| Total drug cost | $2,271,982 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Marshall Medical CenterPlacerville, CA · 176 clinicians
Hospital affiliation
- Marshall Medical CenterPlacerville, CA
Industry payments (Open Payments)
- 2025$132.03 · 7 payments from 3 companies
- 2024$202.73 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $79.38 | 5 |
| Urgo Medical North America, LLC | $29.17 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $23.48 | 1 |
What the 2025 payments were for
- Food and Beverage$132.03 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records