Benjamin L. Mason, M.D..
NPI 1457301442ActiveIndividual· Ophthalmology· Waterloo, IA
Ophthalmology (M.D..) in Waterloo, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2001). In 2024 Medicare paid $544,549 for 1,649 patients, and Part D covered 6,676 of their prescriptions, 71% of them generic. Alcon Vision LLC reported $68.95 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1457301442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D.. |
| Sole proprietor | No |
| NPI issued | May 11, 2006 |
| Last updated in NPPES | Feb 15, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 36579 | IA |
| Ophthalmology, Glaucoma Specialist | 207WX0009X | 36579 | IA |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,649 |
|---|---|
| Services billed | 6,368 across 39 procedure codes |
| Paid by Medicare | $544,549 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,676 · 10,757 30-day fills |
|---|---|
| Patients | 887 |
| Total drug cost | $468,577 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Ophthalmology |
Medical group
- Wolfe Clinic IncSpencer, IA · 39 clinicians
Hospital affiliations
- Grundy County Memorial HospitalGrundy Center, IA
- Gundersen Palmer Lutheran Hospital and ClinicsWest Union, IA
- Mercy Medical Center-New HamptonNew Hampton, IA
- Sartori Memorial Hospital, IncCedar Falls, IA
- Waverly Health CenterWaverly, IA
Industry payments (Open Payments)
- 2025$68.95 · 3 payments from 1 company
- 2024$31.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $68.95 | 3 |
What the 2025 payments were for
- Food and Beverage$68.95 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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