Karen McCloskey, M.D.
NPI 1972982205ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Danbury, CT
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Danbury, Connecticut, trained at University of Pittsburgh School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,003,043 for 1,818 claims, against $60,923 paid for services in 2024. Sumitomo Pharma America, Inc. reported $15.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1972982205 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2015 |
| Last updated in NPPES | Mar 4, 2026 |
| Certified by provider | Mar 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 72175 | CT |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 292845 | 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 - Endocrinology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 307 |
|---|---|
| Services billed | 1,720 across 23 procedure codes |
| Paid by Medicare | $60,923 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,818 · 4,314 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $1,003,043 |
| Generic share | 40% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Nuvance Health Medical Practice CT IncDanbury, CT · 747 clinicians
Hospital affiliations
- Danbury HospitalDanbury, CT
- Norwalk HospitalNorwalk, CT
- Sharon HospitalSharon, CT
Industry payments (Open Payments)
- 2025$15.00 · 1 payment from 1 company
- 2024$133.05 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $15.00 | 1 |
What the 2025 payments were for
- Food and Beverage$15.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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