Colleen Chime Karkhang, CNP
NPI 1730545187ActiveIndividual· Nurse Practitioner, Gerontology· New Haven, CT
Nurse Practitioner, Gerontology (CNP) with Yale University, practicing in New Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $21,452 for 333 claims, against $1,772 paid for services in 2024. Veloxis Pharmaceuticals, Inc. reported $74.62 in payments in 2024, mostly education. Lists Yale-New Haven Hospital as a hospital affiliation.
Overview
| NPI | 1730545187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP |
| Sole proprietor | Yes |
| NPI issued | Jan 14, 2016 |
| Last updated in NPPES | Oct 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 8271 | CT |
| Nurse Practitioner, Adult Health | 363LA2200X | 8271 | 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); Practitioner - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 21 across 2 procedure codes |
| Paid by Medicare | $1,772 |
Part D prescriptions in 2024
| Prescriptions (claims) | 333 · 367 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $21,452 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliation
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2024$74.62 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Veloxis Pharmaceuticals, Inc. | $74.62 | 1 |
What the 2024 payments were for
- Education$74.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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