Karthikeyan Ranganathan, M.D.,
NPI 1013358605ActiveIndividual· Internal Medicine, Interventional Cardiology· Pittsburgh, PA
Internal Medicine, Interventional Cardiology (M.D.,) with Allegheny Clinic, practicing in Pittsburgh, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $589,719 for 1,867 claims, against $60,328 paid for services in 2024. Abbott Laboratories was the largest of 8 companies reporting payments in 2025, $1,464 in all, mostly food and beverage. Lists Acmh Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013358605 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., |
| Sole proprietor | No |
| NPI issued | Jul 10, 2013 |
| Last updated in NPPES | Jul 18, 2024 |
| Certified by provider | Jul 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | MD473801 | PA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | MD473801 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 305 |
|---|---|
| Services billed | 599 across 55 procedure codes |
| Paid by Medicare | $60,328 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,867 · 3,526 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $589,719 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Allegheny ClinicPittsburgh, PA · 2,389 clinicians
Hospital affiliations
- Acmh HospitalKittanning, PA
- Ahn Wexford HospitalWexford, PA
- Allegheny General HospitalPittsburgh, PA
- Saint Vincent HospitalErie, PA
- West Penn HospitalPittsburgh, PA
Industry payments (Open Payments)
- 2025$1,464 · 27 payments from 8 companies
- 2024$1,495 · 23 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $602.15 | 13 |
| Abiomed | $534.12 | 8 |
| Endotronix, Inc. | $180.60 | 1 |
| Medtronic, Inc. | $51.60 | 1 |
| Bridgebio Pharma, Inc. | $26.25 | 1 |
What the 2025 payments were for
- Food and Beverage$1,464 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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