Blake Isernhagen, MD
NPI 1336469444ActiveIndividual· Ophthalmology, Retina Specialist· Lexington, KY
Ophthalmology, Retina Specialist (MD) in Lexington, Kentucky, trained at University of Oklahoma College of Medicine (class of 2010). In 2024 Medicare paid $3,299,132 for 919 patients, and Part D covered 1,113 of their prescriptions, 74% of them generic. Genentech USA, Inc. was the largest of 7 companies reporting payments in 2025, $9,493 in all, mostly consulting fees.
Overview
| NPI | 1336469444 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2010 |
| Last updated in NPPES | Aug 22, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 48761 | KY |
| Ophthalmology | 207W00000X | 48761 | KY |
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) | Enrolled Practitioner - Ophthalmology (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 919 |
|---|---|
| Services billed | 41,144 across 45 procedure codes |
| Paid by Medicare | $3,299,132 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,113 · 1,947 30-day fills |
|---|---|
| Patients | 314 |
| Total drug cost | $74,515 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Ophthalmology |
Medical group
- Retina and Vitreous Associates of Kentucky PLLCLexington, KY · 12 clinicians
Hospital affiliations
- Georgetown Community HospitalGeorgetown, KY
- King's Daughters' Medical CenterAshland, KY
Industry payments (Open Payments)
- 2025$9,493 · 45 payments from 7 companies
- 2024$15,517 · 50 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $8,612 | 12 |
| Astellas Pharma US Inc | $214.05 | 10 |
| Regeneron Healthcare Solutions, Inc. | $195.32 | 8 |
| Alcon Vision LLC | $148.04 | 1 |
| Abbvie Inc. | $139.96 | 7 |
What the 2025 payments were for
- Consulting Fee$6,750 · 1 payment
- Food and Beverage$1,465 · 42 payments
- Travel and Lodging$1,278 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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