Charles Edward Ronan, OD
NPI 1639696057ActiveIndividual· Optometrist· Tahlequah, OK
Optometrist (OD) in Tahlequah, Oklahoma, trained at Indiana University - School of Optometry (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $335,438 for 2,327 claims, against $147,822 paid for services in 2024. Harrow Eye, LLC was the largest of 11 companies reporting payments in 2025, $1,701 in all, mostly food and beverage.
Overview
| NPI | 1639696057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Aug 25, 2017 |
| Last updated in NPPES | Aug 30, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 2950 | OK |
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 (OK); Practitioner - Optometry (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 754 |
|---|---|
| Services billed | 2,297 across 29 procedure codes |
| Paid by Medicare | $147,822 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,327 · 2,632 30-day fills |
|---|---|
| Patients | 666 |
| Total drug cost | $335,438 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Indiana University - School of Optometry |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Optometry |
Medical group
- Britton Vision Associates IncEdmond, OK · 12 clinicians
Industry payments (Open Payments)
- 2025$1,701 · 42 payments from 11 companies
- 2024$1,591 · 36 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Harrow Eye, LLC | $365.10 | 11 |
| Glaukos Corporation | $273.01 | 2 |
| Tarsus Pharmaceuticals, Inc. | $252.93 | 7 |
| Bausch & Lomb Americas Inc. | $196.48 | 5 |
| Dompe US, Inc. | $177.97 | 4 |
What the 2025 payments were for
- Food and Beverage$1,701 · 42 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 optometrists in Tahlequah · All optometrists in Oklahoma