Mohamad M. Kassem, M.D.
NPI 1891726121ActiveIndividual· Internal Medicine, Nephrology· Stockbridge, GA
Internal Medicine, Nephrology (M.D.) with Southside Kidney Clinics, PC, practicing in Stockbridge, Georgia. In 2024 Medicare paid $291,087 for 453 patients, and Part D covered 1,088 of their prescriptions, 74% of them generic. Vantive US Healthcare LLC was the largest of 8 companies reporting payments in 2025, $1,384 in all, mostly travel and lodging. Lists Northside Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1891726121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | Dec 12, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 040934 | GA |
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 - Nephrology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 453 |
|---|---|
| Services billed | 1,806 across 16 procedure codes |
| Paid by Medicare | $291,087 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,088 · 1,778 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $266,702 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Southside Kidney Clinics, PCStockbridge, GA · 3 clinicians
Hospital affiliations
- Northside HospitalAtlanta, GA
- Piedmont Fayette HospitalFayetteville, GA
- Piedmont Henry HospitalStockbridge, GA
- Wellstar Spalding Medical CenterGriffin, GA
Other facilities
- Ellenwood Dialysis CenterDialysis facility · Ellenwood, GA
- South Henry Dialysis CenterDialysis facility · McDonough, GA
- Spalding County DialysisDialysis facility · Griffin, GA
- Stockbridge Dialysis Clinic,llcDialysis facility · Stockbridge, GA
Industry payments (Open Payments)
- 2025$1,384 · 21 payments from 8 companies
- 2024$749.71 · 39 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $1,225 | 11 |
| Ardelyx, Inc. | $30.45 | 1 |
| Travere Therapeutics, Inc. | $25.91 | 4 |
| Akebia Therapeutics Inc | $25.07 | 1 |
| Novartis Pharmaceuticals Corporation | $23.04 | 1 |
What the 2025 payments were for
- Travel and Lodging$952.38 · 3 payments
- Food and Beverage$426.68 · 15 payments
- Education$4.98 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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