Mangaiyarkkarasi Sivakumar, MD MS
NPI 1942725049ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Dayton, NJ
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD MS) with Vcare Primary Care and 1 other group, practicing in Dayton, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $34,231 for 188 claims, against $10,062 paid for services in 2024. Lilly USA, LLC reported $35.62 in payments in 2025, mostly food and beverage. Lists University Medical Center of Princeton at Plainsboro as a hospital affiliation.
Overview
| NPI | 1942725049 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD MS |
| Sole proprietor | No |
| NPI issued | Aug 9, 2017 |
| Last updated in NPPES | Oct 5, 2023 |
| Certified by provider | Oct 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA10945300 | NJ |
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 - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 48 |
|---|---|
| Services billed | 115 across 26 procedure codes |
| Paid by Medicare | $10,062 |
Part D prescriptions in 2024
| Prescriptions (claims) | 188 · 417 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $34,231 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Vcare Primary CareDayton, NJ · 2 clinicians
- Vcare Urgent Care LLCDayton, NJ · 2 clinicians
Hospital affiliation
- University Medical Center of Princeton at PlainsboroPlainsboro, NJ
Industry payments (Open Payments)
- 2025$35.62 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $35.62 | 2 |
What the 2025 payments were for
- Food and Beverage$35.62 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records