Andrew Geissler, DO
NPI 1841795770ActiveIndividual· Internal Medicine, Cardiovascular Disease· Lewiston, ME
Internal Medicine, Cardiovascular Disease (DO) with Mainehealth and 1 other group, practicing in Lewiston, Maine. Their prescriptions cost Medicare Part D more than their services did: $69,272 for 208 claims, against $19,487 paid for services in 2024. Lists Central Maine Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1841795770 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 23, 2018 |
| Last updated in NPPES | Jul 2, 2024 |
| Certified by provider | Jul 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | DO3865 | 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 - Cardiovascular Disease (Cardiology) (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 442 across 35 procedure codes |
| Paid by Medicare | $19,487 |
Part D prescriptions in 2024
| Prescriptions (claims) | 208 · 463 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $69,272 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- MainehealthPortland, ME · 2,633 clinicians
- St Marys Regional Medical CenterLewiston, ME · 198 clinicians
Hospital affiliations
- Central Maine Medical CenterLewiston, ME
- Mainehealth Maine Medical CenterPortland, ME
- Mainehealth Stephens HospitalNorway, ME
- Memorial Hospital, theNorth Conway, NH
- St Mary's Regional Medical CenterLewiston, 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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