There are 9 Optometry clinicians in Napa, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Optometry clinicians in Napa
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Phong Vu, O.D | 19 yrs | — | 548 | Accepts |
| Samuel Herbert, O.D. | 15 yrs | — | 302 | Accepts |
| Michelle Kerr, O.D. | 35 yrs | — | 469 | Accepts |
| Joelle Zarzana, O.D. | 22 yrs | — | 226 | Accepts |
| Edwin Larsen, OD | 31 yrs | — | 156 | Accepts |
| Loukia Hadjiyianni, OD | 5 yrs | — | 62 | Accepts |
| Gregory Wingren, O.D. | — | — | 60 | Accepts |
| Craig Sultan, O.D. | 48 yrs | — | 27 | Accepts |
| Tanya Mahaphon, O.D. | 28 yrs | — | 20 | Accepts |
What the columns mean
- Experience — years since the clinician’s medical-school graduation (when known).
- Telehealth — the clinician reported providing telehealth (video/phone) visits.
- Medicare patients — distinct Original-Medicare beneficiaries in the latest year; a volume signal, not a quality rating.
- Assignment — “Accepts” means they accept the Medicare-approved amount as full payment (lower out-of-pocket for Medicare patients).
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Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.