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Edit this profileAt a glance
- 351 Rolling Oaks Dr Ste 102, Thousand Oaks, CA 91361
About Dr. Corwin
Steven R. Corwin, MD practices ophthalmology in Thousand Oaks, CA. Steven is a 1983 graduate of Medical College of Pennsylvania. According to Medicare claims data, Steven cared for 2,695 Medicare patients across 3,261 services. The services billed most often include established patient complete 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 office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1720089964.
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
- (805) 497-3744
- Email not available
Practice Locations
351 ROLLING OAKS DR STE 102
Thousand Oaks, CA 91361
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
3,261 services · 2,695 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
329 | More often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
275 | More than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
146 | More than most peers in Ophthalmology |
| Dilation of fluid outflow drainage within eye | Procedure | 66174 |
38 | More often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
23 | As often as other peers in Ophthalmology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
17 | As often as other peers in Ophthalmology |
| Removal of eyelashes using forceps | Procedure | 67820 |
15 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
17 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
438 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
294 | 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 4
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 Thousand Oaks 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Medical College of Pennsylvania 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Medical College of Pennsylvania 7
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. Corwin specialize in?
Dr. Corwin is an eye doctor in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Corwin located?
Dr. Corwin is listed at 351 Rolling Oaks Dr Ste 102, Thousand Oaks, CA 91361. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Corwin's phone number?
The number on file is (805) 497-3744. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Corwin's NPI number?
Dr. Corwin's National Provider Identifier is 1720089964. 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. Corwin go to medical school?
Dr. Corwin attended Medical College of Pennsylvania, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Corwin been practicing?
Dr. Corwin has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Corwin do most often?
According to Medicare billing data, Dr. Corwin performs procedures including removal of cataract with insertion of prosthetic lens, closure of tear duct opening using plug and removal of recurring cataract in lens capsule using a laser; 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 imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Corwin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Corwin. If this is you, claiming it is free.
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