Melanie Sharon Kelton, M.D.
NPI 1083918577ActiveIndividual· Internal Medicine· Old Greenwich, CT
Internal Medicine (M.D.) in Old Greenwich, Connecticut, trained at Jefferson Medical College of Thomas Jefferson University (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $83,880 for 1,283 claims, against $44,335 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $45.52 in all, mostly food and beverage.
Overview
| NPI | 1083918577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 27, 2010 |
| Last updated in NPPES | Feb 1, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 049411 | CT |
| Internal Medicine | 207R00000X | 186774 | 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 - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 206 |
|---|---|
| Services billed | 947 across 21 procedure codes |
| Paid by Medicare | $44,335 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,283 · 3,208 30-day fills |
|---|---|
| Patients | 197 |
| Total drug cost | $83,880 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Old Greenwich Medical Group LLCOld Greenwich, CT · 5 clinicians
- Rebecca Warkol MD LLCOld Greenwich, CT · 4 clinicians
Hospital affiliations
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
Other facilities
- Health Care Connectors LLCHome health agency · Greenwich, CT
Industry payments (Open Payments)
- 2025$45.52 · 2 payments from 2 companies
- 2024$80.52 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $24.20 | 1 |
| Novo Nordisk Inc | $21.32 | 1 |
What the 2025 payments were for
- Food and Beverage$45.52 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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