Highest-Volume Retinal Detachment Repair — Vitrectomy Surgeons in Oregon (2026 update)
10 Oregon providers billed Medicare for Retinal Detachment Repair — Vitrectomy (CPT 67108) in 2024. The top 10 by case volume are below — the full ranked list, CSV export and competitor-payment intel are available with a DocVol subscription ($199/mo, cancel anytime).
Database refreshed July 2026Live NPPES registryⓘ sources
| # | Surgeon | Location | Medicare cases (2024) |
|---|---|---|---|
| 1 | Janani Singaravelu, M.D. | Portland, OR | 30 |
| 2 | Ryan Constantine, M.D., PHD | Redmond, OR | 21 |
| 3 | Christina Flaxel, MD | Portland, OR | 17 |
| 4 | Rene Choi, M.D., PH.D. | Portland, OR | 15 |
| 5 | Adam Hanif | Milwaukie, OR | 15 |
| 6 | Albert Edwards, MD, PHD | Eugene, OR | 14 |
| 7 | Joseph Simonett | Milwaukie, OR | 12 |
| 8 | John Karth, M.D. | Eugene, OR | 12 |
| 9 | Robert Beardsley, M.D. | Eugene, OR | 12 |
| 10 | Marcus Altman | Portland, OR | 11 |
Frequently asked questions
- How many surgeons perform Retinal Detachment Repair — Vitrectomy in Oregon?
- 10 Oregon providers billed Medicare for Retinal Detachment Repair — Vitrectomy (CPT 67108) in CY2024. CMS suppresses providers with 10 or fewer Medicare patients, so the true count is somewhat higher.
- Where does this data come from?
- CMS Medicare Physician & Other Practitioners (fee-for-service Part B claims, CY2024, released May 2026) and CMS Open Payments. Both are official U.S. federal datasets.
- Does this include all of a surgeon's cases?
- No — it covers traditional Medicare only (no Medicare Advantage, commercial, or Medicaid claims). Absolute volumes undercount total practice, but the ranking of high- vs low-volume surgeons is a strong targeting signal.