Selvin Robin Gnanakkan, OD
NPI 1104980846ActiveIndividual· Optometrist· Glendale, AZ
Optometrist (OD) in Glendale, Arizona, trained at Pennsylvania College of Optometry (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $317,816 for 794 claims, against $24,142 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 3 companies reporting payments in 2025, $139.58 in all, mostly food and beverage.
Overview
| NPI | 1104980846 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Dec 20, 2006 |
| Last updated in NPPES | Mar 21, 2026 |
| Certified by provider | Mar 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT-001127 | AZ |
| Ophthalmology | 207W00000X | TA1769 | MD |
| Optometrist | 152W00000X | 0618001366 | VA |
| Optometrist | 152W00000X | 21201-875 | WI |
| Optometrist | 152W00000X | 1976-922AT | LA |
| Optometrist | 152W00000X | OEG003214 | PA |
| Optometrist | 152W00000X | TPOP129 | FL |
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 (AZ); Practitioner - Optometry (CA); Practitioner - Optometry (DC); Practitioner - Optometry (LA); Practitioner - Optometry (MD); Practitioner - Optometry (PA); Practitioner - Optometry (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 359 across 16 procedure codes |
| Paid by Medicare | $24,142 |
Part D prescriptions in 2024
| Prescriptions (claims) | 794 · 1,355 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $317,816 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Pennsylvania College of Optometry |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Optometry |
Medical group
- Chesapeake Eye Care and Laser Center LLCWashington, DC · 80 clinicians
Industry payments (Open Payments)
- 2025$139.58 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $102.42 | 2 |
| Glaukos Corporation | $19.92 | 1 |
| Biotissue Holdings Inc. | $17.24 | 1 |
What the 2025 payments were for
- Food and Beverage$139.58 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 145 optometrists in Glendale · All optometrists in Arizona