Vijaiganesh Nagarajan, MBBS, MD
NPI 1548419179ActiveIndividual· Internal Medicine, Interventional Cardiology· Sugar Land, TX
Internal Medicine, Interventional Cardiology (MBBS, MD) with Cls Health PLLC, practicing in Sugar Land, Texas. Their prescriptions cost Medicare Part D more than their services did: $384,122 for 2,684 claims, against $69,104 paid for services in 2024. Heartflow, Inc. was the largest of 6 companies reporting payments in 2025, $499.16 in all, mostly food and beverage. Lists Columbus Community Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1548419179 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MBBS, MD |
| Sole proprietor | No |
| NPI issued | Sep 18, 2008 |
| Last updated in NPPES | Oct 8, 2026 |
| Certified by provider | Oct 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | Q8311 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | Q8311 | TX |
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 - Interventional Cardiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 637 |
|---|---|
| Services billed | 1,329 across 41 procedure codes |
| Paid by Medicare | $69,104 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,684 · 6,802 30-day fills |
|---|---|
| Patients | 429 |
| Total drug cost | $384,122 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Cls Health PLLCWebster, TX · 180 clinicians
Hospital affiliations
- Columbus Community HospitalColumbus, TX
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Industry payments (Open Payments)
- 2025$499.16 · 9 payments from 6 companies
- 2024$676.01 · 30 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $321.28 | 2 |
| Boston Scientific Corporation | $66.49 | 2 |
| Pfizer Inc. | $37.34 | 2 |
| Spr Therapeutics, Inc | $32.11 | 1 |
| Ossur Americas, Inc. | $26.59 | 1 |
What the 2025 payments were for
- Food and Beverage$499.16 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 interventional cardiologists in Sugar Land · All interventional cardiologists in Texas