Karen Ann Hammond, APRN
NPI 1194759837ActiveIndividual· Nurse Practitioner, Acute Care· Waterbury, CT
Nurse Practitioner, Acute Care (APRN) with Yale University, practicing in Waterbury, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,522,906 for 1,362 claims, against $38,729 paid for services in 2024. Lists Saint Mary's Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1194759837 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Nov 29, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | 002398 | CT |
| Nurse Practitioner | 363L00000X | 002398 | CT |
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 - Nurse Practitioner (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 213 |
|---|---|
| Services billed | 652 across 3 procedure codes |
| Paid by Medicare | $38,729 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,362 · 1,948 30-day fills |
|---|---|
| Patients | 278 |
| Total drug cost | $1,522,906 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Saint Mary's HospitalWaterbury, CT
- Waterbury HospitalWaterbury, CT
- Yale-New Haven HospitalNew Haven, CT
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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