Ganesh C. Natarajan, M.D.
NPI 1073506317ActiveIndividual· Internal Medicine, Pulmonary Disease· Brookfield, CT
Internal Medicine, Pulmonary Disease (M.D.) in Brookfield, Connecticut, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $618,174 for 2,516 claims, against $132,714 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 11 companies reporting payments in 2025, $1,707 in all, mostly food and beverage.
Overview
| NPI | 1073506317 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Mar 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 039487 | CT |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 039487 | CT |
| Internal Medicine, Sleep Medicine | 207RS0012X | 039487 | CT |
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 - Pulmonary Disease (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 2,268 across 17 procedure codes |
| Paid by Medicare | $132,714 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,516 · 3,730 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $618,174 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Sleep Medicine |
| Telehealth | Offers telehealth |
Medical group
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
Hospital affiliation
- Danbury HospitalDanbury, CT
Industry payments (Open Payments)
- 2025$1,707 · 104 payments from 11 companies
- 2024$2,041 · 108 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $543.20 | 40 |
| Astrazeneca Pharmaceuticals LP | $286.65 | 20 |
| Verona Pharma, Inc. | $183.70 | 10 |
| Regeneron Healthcare Solutions, Inc. | $170.50 | 10 |
| Viatris Specialty LLC | $149.59 | 9 |
What the 2025 payments were for
- Food and Beverage$1,707 · 104 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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