T S Dharmarajan, MD
NPI 1194814962ActiveIndividual· Internal Medicine, Geriatric Medicine· Bronx, NY
Internal Medicine, Geriatric Medicine (MD) with Ydr Geriatrics and Nephrology, LLP, practicing in Bronx, New York. Their prescriptions cost Medicare Part D more than their services did: $124,077 for 1,555 claims, against $29,046 paid for services in 2024. Viatris Specialty LLC was the largest of 2 companies reporting payments in 2025, $250.00 in all, mostly food and beverage. Lists Montefiore Medical Center as a hospital affiliation.
Overview
| NPI | 1194814962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | May 11, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 130211 | NY |
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 - Geriatric Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 293 across 13 procedure codes |
| Paid by Medicare | $29,046 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,555 · 3,251 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $124,077 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1967 |
|---|---|
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ydr Geriatrics and Nephrology, LLPBronx, NY · 4 clinicians
Hospital affiliation
- Montefiore Medical CenterBronx, NY
Industry payments (Open Payments)
- 2025$250.00 · 2 payments from 2 companies
- 2024$266.21 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viatris Specialty LLC | $125.00 | 1 |
| Otsuka America Pharmaceutical, Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$250.00 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 geriatricians in Bronx · All geriatricians in New York