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Edit this profileAt a glance
- 1000 West Carson Street, Torrance, CA 90509
About Dr. Katsman
Diana Katsman, MD is a healthcare provider in Torrance, CA specializing in ophthalmology. Diana trained at University of California, Irvine, California College of Medicine, graduating in 2008. According to Medicare claims data, Diana cared for 2,711 Medicare patients across 15,385 services. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and injection of drug into eye. This provider record is associated with NPI 1306003132.
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
- (310) 222-2409
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1000 WEST CARSON STREET
Torrance, CA 90509
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
15,385 services · 2,711 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
966 | More often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
101 | More often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
25 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
2,602 | More than most peers in Ophthalmology |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
944 | More than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
762 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
197 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
157 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
64 | As often as other peers in Ophthalmology |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
57 | 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.
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 Torrance 8
Same specialty, same city.
Trained at University of California, Irvine, California College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2008 at University of California, Irvine, California College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Katsman specialize in?
Dr. Katsman is an eye doctor in Torrance, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Katsman located?
Dr. Katsman is listed at 1000 West Carson Street, Torrance, CA 90509. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Katsman's phone number?
The number on file is (310) 222-2409. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Katsman's NPI number?
Dr. Katsman's National Provider Identifier is 1306003132. 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. Katsman go to medical school?
Dr. Katsman attended University of California, Irvine, California College of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Katsman been practicing?
Dr. Katsman has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Katsman do most often?
According to Medicare billing data, Dr. Katsman performs procedures including injection of drug into eye and closure of tear duct opening using plug; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and extended exam of the back part of the eye with optic nerve drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Katsman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Katsman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.