Mark K. Hirschhorn, MD
NPI 1629026240ActiveIndividual· Specialist· Biddeford, ME
Specialist (MD) in Biddeford, Maine, trained at Columbia University College of Physicians and Surgeons (class of 1989). Part D covered 620 prescriptions written in 2024, 80% of them generic. Coloplast Corp was the largest of 3 companies reporting payments in 2024, $1,427 in all, mostly travel and lodging.
Overview
| NPI | 1629026240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 014906 | ME |
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 - General Surgery (ME) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 620 · 1,206 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $127,946 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | General Surgery |
| Secondary specialties | Urology |
Medical group
- Down East Community HospitalMachias, ME · 29 clinicians
Hospital affiliations
- Calais Community HospitalCalais, ME
- Down East Community HospitalMachias, ME
- Northern Light Eastern Maine Medical CenterBangor, ME
Industry payments (Open Payments)
- 2024$1,427 · 12 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Coloplast Corp | $904.27 | 8 |
| Teleflex LLC | $506.01 | 3 |
| Astellas Pharma US Inc | $16.38 | 1 |
What the 2024 payments were for
- Travel and Lodging$963.91 · 4 payments
- Food and Beverage$462.75 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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