Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Rex Chen Hsei, MD

Individual provider Ophthalmology Physician · NPI 1285637157

Rex Chen Hsei, MD is an Ophthalmology in Santa Cruz, California. Graduated from Hahnemann University College of Medicine in 1996, 30 years ago. Practices with Bay Eye Medical Group Inc, a 6-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
Hahnemann University College of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1665 Dominican Way Ste 124
Santa Cruz, CA 95065-1528
Phone: (831) 475-7012
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence A71449 (CA)

Record details

NPI number1285637157
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolHAHNEMANN UNIVERSITY COLLEGE OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice Bay Eye Medical Group Inc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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