Geoffrey Leland Nemser, OD
NPI 1871573535ActiveIndividual· Optometrist· Stamford, CT
Optometrist (OD) in Stamford, Connecticut, licensed in CT, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $7,274 for 13 claims, against $3,432 paid for services in 2024. Alcon Vision LLC reported $21.90 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1871573535 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jan 19, 2006 |
| Last updated in NPPES | Feb 5, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2070 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 54 across 7 procedure codes |
| Paid by Medicare | $3,432 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13 · 21 30-day fills |
|---|---|
| Total drug cost | $7,274 |
Industry payments (Open Payments)
- 2024$21.90 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $21.90 | 1 |
What the 2024 payments were for
- Food and Beverage$21.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 optometrists in Stamford · All optometrists in Connecticut