Isaiah W. Giese, M.D.
NPI 1235544933ActiveIndividual· Ophthalmology· Lancaster, MA
Ophthalmology (M.D.) in Lancaster, Massachusetts, trained at Boston University School of Medicine (class of 2014). In 2024 Medicare paid $179,938 for 605 patients, and Part D covered 828 of their prescriptions, 84% of them generic.
Overview
| NPI | 1235544933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2014 |
| Last updated in NPPES | Dec 6, 2023 |
| Certified by provider | Dec 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 290439 | MA |
| Ophthalmology, Ophthalmic Plastic and Reconstructive Surgery | 207WX0200X | 290439 | MA |
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 - Ophthalmology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 605 |
|---|---|
| Services billed | 1,787 across 56 procedure codes |
| Paid by Medicare | $179,938 |
Part D prescriptions in 2024
| Prescriptions (claims) | 828 · 895 30-day fills |
|---|---|
| Patients | 487 |
| Total drug cost | $24,894 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Ophthalmology |
Medical group
- D'Ambrosio Eye Care IncLancaster, MA · 12 clinicians
Hospital affiliations
- Umass Memorial Healthalliance HospitalsLeominster, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
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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