Mark Abi Nader, M.D.
NPI 1841538147ActiveIndividual· Internal Medicine, Nephrology· Memphis, TN
Internal Medicine, Nephrology (M.D.) with Physiotherapy Associates Inc and 1 other group, practicing in Memphis, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $595,359 for 1,907 claims, against $180,747 paid for services in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 14 companies reporting payments in 2025, $1,320 in all, mostly food and beverage. Lists Baptist Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841538147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 21, 2013 |
| Last updated in NPPES | May 24, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD52513 | TN |
| Internal Medicine | 207R00000X | MD52513 | TN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 592 |
|---|---|
| Services billed | 2,086 across 18 procedure codes |
| Paid by Medicare | $180,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,907 · 4,196 30-day fills |
|---|---|
| Patients | 320 |
| Total drug cost | $595,359 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Physiotherapy Associates IncMemphis, TN · 1,460 clinicians
- Kidney Care Consultants, P.C.Bartlett, TN · 10 clinicians
Hospital affiliations
- Baptist Memorial HospitalMemphis, TN
- Baptist Memorial Hospital TiptonCovington, TN
- Methodist Hospitals of MemphisMemphis, TN
- Saint Francis Bartlett Medical CenterBartlett, TN
- St Francis HospitalMemphis, TN
Other facilities
- Davita Bartlett Renal CenterDialysis facility · Memphis, TN
- Davita Galleria Home Training Dialysis PdDialysis facility · Lakeland, TN
- Davita Memphis Downtown DialysisDialysis facility · Memphis, TN
- Davita River Oaks DialysisDialysis facility · Germantown, TN
- Davita Wolfchase DialysisDialysis facility · Memphis, TN
Industry payments (Open Payments)
- 2025$1,320 · 58 payments from 14 companies
- 2024$1,661 · 78 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $328.27 | 18 |
| Novartis Pharmaceuticals Corporation | $155.47 | 5 |
| Mallinckrodt Hospital Products Inc. | $136.97 | 2 |
| Ardelyx, Inc. | $118.93 | 4 |
| Travere Therapeutics, Inc. | $96.04 | 4 |
What the 2025 payments were for
- Food and Beverage$1,298 · 56 payments
- Education$22.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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