Sharon Karp, M.D.
NPI 1265507768ActiveIndividual· Internal Medicine, Rheumatology· Stamford, CT
Internal Medicine, Rheumatology (M.D.) in Stamford, Connecticut, licensed in CT, with an NPI issued in November 2006. Their prescriptions cost Medicare Part D more than their services did: $1,629,489 for 1,734 claims, against $39,018 paid for services in 2024.
Overview
| NPI | 1265507768 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 21, 2006 |
| Last updated in NPPES | Jan 7, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 27019 | CT |
| Internal Medicine | 207R00000X | 27019 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (CT); Practitioner - Internal Medicine (NY); Practitioner - Rheumatology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 142 |
|---|---|
| Services billed | 859 across 21 procedure codes |
| Paid by Medicare | $39,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,734 · 3,097 30-day fills |
|---|---|
| Patients | 202 |
| Total drug cost | $1,629,489 |
| Generic share | 81% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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