Kareem Mohamed Hayman Genena, MD
NPI 1396290888ActiveIndividual· Internal Medicine· Nashville, TN
Internal Medicine (MD) with Vanderbilt University Medical Center and 2 other groups, practicing in Nashville, Tennessee. In 2024 Medicare paid $135,758 for 414 patients, and Part D covered 823 of their prescriptions, 88% of them generic. Amgen Inc. was the largest of 4 companies reporting payments in 2025, $114.62 in all, mostly food and beverage. Lists Christiana Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1396290888 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 24, 2016 |
| Last updated in NPPES | Jun 9, 2026 |
| Certified by provider | Jun 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 76961 | TN |
| Internal Medicine, Nephrology | 207RN0300X | 70078 | MN |
| Internal Medicine, Nephrology | 207RN0300X | 32180 | MN |
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 (DE); Practitioner - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 414 |
|---|---|
| Services billed | 1,964 across 27 procedure codes |
| Paid by Medicare | $135,758 |
Part D prescriptions in 2024
| Prescriptions (claims) | 823 · 1,925 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $158,677 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Vanderbilt University Medical CenterNashville, TN · 3,567 clinicians
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
- Nephrology Associates PAWilmington, DE · 54 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Union Hospital of Cecil CountyElkton, MD
- Vanderbilt University Medical CenterNashville, TN
Other facilities
- Fkc Newport PikeDialysis facility · Wilmington, DE
- Fkc WilmingtonDialysis facility · Wilmington, DE
Industry payments (Open Payments)
- 2025$114.62 · 5 payments from 4 companies
- 2024$199.60 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $38.11 | 2 |
| Eurofins Viracor, LLC | $27.93 | 1 |
| Novartis Pharmaceuticals Corporation | $27.76 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $20.82 | 1 |
What the 2025 payments were for
- Food and Beverage$114.62 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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