Mahavir Singh, MD
NPI 1023193323ActiveIndividual· Internal Medicine· New Windsor, NY
Internal Medicine (MD) in New Windsor, New York, licensed in NY, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $195,631 for 2,818 claims, against $91,420 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 12 companies reporting payments in 2025, $3,222 in all, mostly food and beverage. Lists Montefiore St Luke's Cornwall as a hospital affiliation.
Overview
| NPI | 1023193323 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 185688 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 81 |
|---|---|
| Services billed | 2,905 across 27 procedure codes |
| Paid by Medicare | $91,420 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,818 · 3,764 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $195,631 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1974 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Montefiore St Luke's CornwallNewburgh, NY
Other facilities
- Americare Certified Special Services, Inc ChhaHome health agency · Brooklyn, NY
- Willcare Chha (Newburgh)Home health agency · Newburgh, NY
Industry payments (Open Payments)
- 2025$3,222 · 88 payments from 12 companies
- 2024$3,114 · 103 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $2,140 | 45 |
| Glaxosmithkline, LLC. | $502.64 | 15 |
| Amgen Inc. | $255.83 | 11 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $61.63 | 3 |
| Bayer Healthcare Pharmaceuticals Inc. | $59.92 | 3 |
What the 2025 payments were for
- Food and Beverage$3,222 · 88 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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