Alfredo Arrigo Sadun, M.D., PH.D.
NPI 1841342367ActiveIndividual· Ophthalmology· Pasadena, CA
Ophthalmology (M.D., PH.D.) in Pasadena, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $48,342 for 191 claims, against $30,462 paid for services in 2024. Chiesi USA, Inc. was the largest of 3 companies reporting payments in 2025, $4,877 in all, mostly consulting fees.
Overview
| NPI | 1841342367 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Feb 13, 2025 |
| Certified by provider | Feb 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G46684 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 150 |
|---|---|
| Services billed | 1,132 across 10 procedure codes |
| Paid by Medicare | $30,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 191 · 421 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $48,342 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Ophthalmology |
Medical group
- Jules Stein Eye Institute Medical GroupPasadena, CA · 119 clinicians
Industry payments (Open Payments)
- 2025$4,877 · 3 payments from 3 companies
- 2024$4,875 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Chiesi USA, Inc. | $4,800 | 1 |
| Catalyst Pharmaceuticals, Inc. | $62.47 | 1 |
| Ucb, Inc. | $15.00 | 1 |
What the 2025 payments were for
- Consulting Fee$4,800 · 1 payment
- Food and Beverage$62.47 · 1 payment
- Education$15.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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