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Edit this profileAt a glance
- 1665 Dominican Way, Ste 124, Santa Cruz, CA 95065
About Dr. Hsei
Based in Santa Cruz, CA, Rex C. Hsei, MD is listed in the NPI registry under ophthalmology. Rex graduated from Hahnemann University College of Medicine in 1996. Medicare claims data shows Rex provided 4,103 services to 3,251 patients. The services billed most often include established patient complete exam of visual system, established patient problem focused exam of visual system, and measurement of corneal curvature and depth of eye. NPI 1285637157 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (831) 475-7012
- Email not available
Practice Locations
1665 DOMINICAN WAY STE 124
Santa Cruz, CA 95065
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
4,103 services · 3,251 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
334 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
66 | More often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
59 | More often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
25 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
1,107 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
1,003 | More than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
527 | More than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
279 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
215 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
201 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other eye doctors in Santa Cruz 7
Same specialty, same city.
Trained at Hahnemann University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Hahnemann University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Hsei's specialty?
Dr. Hsei is an eye doctor in Santa Cruz, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Hsei?
Dr. Hsei is listed at 1665 Dominican Way Ste 124, Santa Cruz, CA 95065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hsei?
The number on file is (831) 475-7012. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hsei?
Dr. Hsei's National Provider Identifier is 1285637157. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Hsei's medical education?
Dr. Hsei attended Hahnemann University College of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hsei have?
Dr. Hsei has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hsei known for?
According to Medicare billing data, Dr. Hsei performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and complex removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient complete exam of visual system and established patient problem focused exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hsei's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hsei. If this is you, claiming it is free.
Guide.md
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