Are you Joel M. Corwin, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 3085 Loma Vista Rd, Ventura, CA 93003
About Dr. Corwin
Joel M. Corwin, M.D. practices ophthalmology in Ventura, CA. Joel is a 1978 graduate of Warren Alpert Medical School of Brown University. Medicare claims data shows Joel provided 10,394 services to 3,949 patients. The services billed most often include photography of the retina, injection of drug into eye, 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 1518901651.
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) 648-3085
- Email not available
Practice Locations
3085 LOMA VISTA RD
Ventura, CA 93003
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
10,394 services · 3,949 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,708 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
2,624 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
1,098 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
512 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
361 | More often than most peers in Ophthalmology |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
196 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
51 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
18 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
12 | Less often than most peers in Ophthalmology |
| Compounded drug, not otherwise classified | Drug given | J7999 |
1,380 | More 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 8
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 Ventura 5
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Warren Alpert Medical School of Brown University 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Warren Alpert Medical School of Brown University 7
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 Joel M. Corwin specialize in?
Joel M. Corwin is an eye doctor in Ventura, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Joel M. Corwin located?
Joel M. Corwin is listed at 3085 Loma Vista Rd, Ventura, CA 93003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joel M. Corwin's phone number?
The number on file is (805) 648-3085. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Joel M. Corwin?
Joel M. Corwin's National Provider Identifier is 1518901651. 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 Joel M. Corwin train?
Joel M. Corwin attended Warren Alpert Medical School of Brown University, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Joel M. Corwin have?
Joel M. Corwin has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What does Joel M. Corwin do most often?
According to Medicare billing data, Joel M. Corwin performs procedures including injection of drug into eye; provides treatments such as photography of the retina 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
Is Joel M. Corwin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Joel M. Corwin. If this is you, claiming it is free.
Guide.md
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