Are you Dr. Hsu? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 625 S Fair Oaks Ave Ste 280, Pasadena, CA 91105
About Dr. Hsu
Hugo Y. Hsu, MD is a healthcare provider in Pasadena, CA specializing in ophthalmology. Hugo trained at University of California, Geffen School of Medicine, graduating in 1999. According to Medicare claims data, Hugo cared for 1,694 Medicare patients across 2,191 services. The services billed most often include established patient problem focused exam of visual system, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient complete exam of visual system. This provider record is associated with NPI 1336153816.
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
- (626) 817-4747
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
625 S FAIR OAKS AVE STE 280
Pasadena, CA 91105
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
Eye injury and cancer
Inflammation, neurologic, and orbit
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
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
2,191 services · 1,694 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
106 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
30 | As often as other peers in Ophthalmology |
| 1d ultrasound scan of eye tissue and structures | Imaging | 76511 |
13 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
507 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
277 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
206 | More often than most peers in Ophthalmology |
| Ct scan of cornea | Treatment | 92025 |
172 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
117 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
77 | As often as other 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 6
Same specialty, same street address — most likely the same department or group.
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.
Other eye doctors in Pasadena 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1999 at University of California, Geffen School 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 does Dr. Hsu specialize in?
Dr. Hsu is an eye doctor in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Hsu located?
Dr. Hsu is listed at 625 S Fair Oaks Ave Ste 280, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hsu's phone number?
The number on file is (626) 817-4747. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Hsu's NPI number?
Dr. Hsu's National Provider Identifier is 1336153816. 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
Where did Dr. Hsu go to medical school?
Dr. Hsu attended University of California, Geffen School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hsu been practicing?
Dr. Hsu has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hsu do most often?
According to Medicare billing data, Dr. Hsu performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as 1d ultrasound scan of eye tissue and structures and ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and established patient complete 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
Has Dr. Hsu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hsu. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.