Colleen M. Kershaw, M.D
NPI 1508127499ActiveIndividual· Internal Medicine, Infectious Disease· Lebanon, NH
Internal Medicine, Infectious Disease (M.D) in Lebanon, New Hampshire, trained at Georgetown University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $1,208,316 for 537 claims, against $17,917 paid for services in 2024.
Overview
| NPI | 1508127499 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jun 6, 2012 |
| Last updated in NPPES | Aug 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 18871 | NH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 214 across 13 procedure codes |
| Paid by Medicare | $17,917 |
Part D prescriptions in 2024
| Prescriptions (claims) | 537 · 561 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $1,208,316 |
| Generic share | 36% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Infectious Disease |
| Telehealth | Offers telehealth |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Alice Peck Day Memorial HospitalLebanon, NH
- Central Vermont Medical CenterBarre, VT
- Mary Hitchcock Memorial HospitalLebanon, NH
- Northeastern Vermont Regional HospitalSaint Johnsbury, VT
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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All Internal Medicine, Infectious Disease providers in New Hampshire →