Abraham V. Shammas, MD
NPI 1407030075ActiveIndividual· Ophthalmology· Glendora, CA
Ophthalmology (MD) in Glendora, California, licensed in CA, with an NPI issued in December 2007. Part D covered 61 prescriptions written in 2024, 56% of them generic. Alcon Vision LLC was the largest of 2 companies reporting payments in 2025, $739.31 in all, mostly food and beverage.
Overview
| NPI | 1407030075 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 19, 2007 |
| Last updated in NPPES | Dec 19, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A45941 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 65 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $3,530 |
| Generic share | 56% of claims |
Industry payments (Open Payments)
- 2025$739.31 · 17 payments from 2 companies
- 2024$269.38 · 10 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $579.73 | 8 |
| Abbvie Inc. | $159.58 | 9 |
What the 2025 payments were for
- Food and Beverage$739.31 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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