There are 9 Optometry clinicians in Upland, CA in Medicare’s data, ranked by the number of Medicare services they provide.
Optometry clinicians in Upland
| Clinician | Experience | Telehealth | Medicare patients | Assignment |
|---|---|---|---|---|
| Brian Alva, O.D. | 10 yrs | — | 281 | Accepts |
| Sharon Liao, OD | 9 yrs | — | 294 | Accepts |
| Madonna Daniel | 4 yrs | — | 247 | Accepts |
| Jon Henley, O.D. | 33 yrs | — | 111 | Accepts |
| Marina Abdou, OD | 5 yrs | — | 66 | Accepts |
| Jessica Yuan, O.D. | 29 yrs | — | 36 | Accepts |
| Donald Spaulding, O.D. | 47 yrs | — | 48 | Accepts |
| Richard Gray, O.D. | 15 yrs | — | 43 | Accepts |
| Lethuy Nguyen, O.D. | 34 yrs | — | 14 | 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.