Mostafa Mohamed Ezzat Hamza A Mazen, MD
NPI 1497284731ActiveIndividual· Ophthalmology· Duluth, MN
Ophthalmology (MD) with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, practicing in Duluth, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $144,749 for 1,413 claims, against $85,317 paid for services in 2024. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $261.23 in all, mostly food and beverage. Lists Beth Israel Deaconess Medical Center as a hospital affiliation.
Overview
| NPI | 1497284731 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 9, 2017 |
| Last updated in NPPES | Apr 20, 2023 |
| Certified by provider | Apr 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 296424 | NY |
| Ophthalmology | 207W00000X | MD22505 | ME |
| Ophthalmology | 207W00000X | 2023011649 | MO |
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); Practitioner - Ophthalmology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 771 across 36 procedure codes |
| Paid by Medicare | $85,317 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,413 · 2,192 30-day fills |
|---|---|
| Patients | 376 |
| Total drug cost | $144,749 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncBoston, MA · 1,740 clinicians
Hospital affiliation
- Beth Israel Deaconess Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$261.23 · 8 payments from 4 companies
- 2024$1,372 · 16 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $172.76 | 3 |
| Abbvie Inc. | $64.62 | 3 |
| Sight Sciences, Inc. | $20.05 | 1 |
| New World Medical,inc. | $3.80 | 1 |
What the 2025 payments were for
- Food and Beverage$261.23 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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