Deirdre Heersink, DO
NPI 1417157298ActiveIndividual· Family Medicine· Topsham, ME
Family Medicine (DO) in Topsham, Maine, trained at University of New England, College of Osteo Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $888,112 for 10,177 claims, against $39,153 paid for services in 2024.
Overview
| NPI | 1417157298 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 20, 2007 |
| Last updated in NPPES | Jul 31, 2025 |
| Certified by provider | Jul 31, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2174 | ME |
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 - Geriatric Medicine (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 526 across 21 procedure codes |
| Paid by Medicare | $39,153 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,177 · 10,224 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $888,112 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of New England, College of Osteo Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Geriatric Medicine |
| Secondary specialties | Family Practice |
Medical group
- Mainegeneral Medical CenterWaterville, ME · 555 clinicians
Hospital affiliation
- Maine General Medical CenterAugusta, ME
Other facilities
- Andwell Health PartnersHospice · Lewiston, ME
- Beacon Hospice, An Amedisys CompanyHospice · Auburn, ME
- Mainegeneral Community CareHospice · Waterville, ME
- Mainegeneral Rehab & Long Term Care - Gray BirchNursing home · Augusta, ME
- Maine Veterans Home - AugustaNursing home · Augusta, ME
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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