Niti R. Aggarwal, MD
NPI 1598962474ActiveIndividual· Internal Medicine, Cardiovascular Disease· Franklin, TN
Internal Medicine, Cardiovascular Disease (MD) with Mayo Clinic and 5 other groups, practicing in Franklin, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $101,691 for 529 claims, against $50,112 paid for services in 2024. Lists Ascension Saint Thomas Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1598962474 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 2, 2007 |
| Last updated in NPPES | Jun 25, 2026 |
| Certified by provider | Jun 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 75499 | TN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 50746 | MN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 64228 | WI |
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 - Cardiovascular Disease (Cardiology) (MN); Practitioner - Cardiovascular Disease (Cardiology) (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 675 |
|---|---|
| Services billed | 3,113 across 37 procedure codes |
| Paid by Medicare | $50,112 |
Part D prescriptions in 2024
| Prescriptions (claims) | 529 · 1,421 30-day fills |
|---|---|
| Patients | 82 |
| Total drug cost | $101,691 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Mayo ClinicRochester, MN · 4,956 clinicians
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN · 661 clinicians
- Saint Thomas Medical PartnersNashville, TN · 590 clinicians
- Mayo Clinic Health System-FairmontFairmont, MN · 155 clinicians
- Mayo Clinic Health System-St JamesSaint James, MN · 76 clinicians
- Williamson Professional PracticeFranklin, TN · 15 clinicians
Hospital affiliations
- Ascension Saint Thomas HospitalNashville, TN
- Mayo Clinic Health System - Albert Lea and AustinAlbert Lea, MN
- Mayo Clinic Health System - FairmontFairmont, MN
- Mayo Clinic Health System - MankatoMankato, MN
- Williamson Medical CenterFranklin, TN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Cardiovascular Disease providers in Tennessee →