Karen S. Shimshak, MD
NPI 1407931769ActiveIndividual· Ophthalmology· Jacksonville, FL
Ophthalmology (MD) in Jacksonville, Florida, trained at Medical College of Wisconsin (class of 1985). 257 Medicare patients in 2024, $40,131 paid; nearly all of their 110 Part D prescriptions were generic (93%).
Overview
| NPI | 1407931769 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Sep 2, 2020 |
| Certified by provider | Sep 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | ME122759 | FL |
| Ophthalmology | 207W00000X | 42851 | MT |
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 - Ophthalmology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 257 |
|---|---|
| Services billed | 548 across 44 procedure codes |
| Paid by Medicare | $40,131 |
Part D prescriptions in 2024
| Prescriptions (claims) | 110 · 130 30-day fills |
|---|---|
| Patients | 78 |
| Total drug cost | $2,293 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Ophthalmology |
Medical group
- Mayo Clinic JacksonvilleJacksonville, FL · 1,615 clinicians
Hospital affiliation
- Mayo ClinicJacksonville, FL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 ophthalmologists in Jacksonville · All ophthalmologists in Florida