Quick answers
- Does Andrew X. Zhou accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew X. Zhou accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Andrew X. Zhou see?
- In 2024, CMS data shows 1,200 Original Medicare patients and 3,419 services for Andrew X. Zhou. This counts Original Medicare only and measures volume, not quality.
- What is Andrew X. Zhou's NPI number?
- 1245694959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Andrew X. Zhou, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,200 |
|---|---|
| Services billed to Medicare | 3,419 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient complete exam of visual system (92014)657 services
- Established patient problem focused exam of visual system (92012)610 services
- Measurement of corneal curvature and depth of eye (92136)457 services
- Removal of cataract with insertion of prosthetic lens (66984)249 services
- Exam of visual field with extended testing (92083)219 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol71%
- High blood pressure67%
- Diabetes37%
- Arthritis37%
- Osteoporosis19%
- Anxiety17%
Practice locations
Addresses where Andrew X. Zhou is enrolled with Medicare (CMS data updated October 2, 2026).
- 1665 Dominican Way, Suite 124Santa Cruz, CA 95065 (831) 475‑7012
Group practices
Medicare enrollment lists Andrew X. Zhou as a member of this group (CMS data updated October 2, 2026).
- Bay Eye Medical Group Inc6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Santa Cruz
Clinicians with the same Medicare primary specialty in Santa Cruz, CA — not a recommendation.
Other clinicians in Bay Eye Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245694959 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians