Joel Corwin, M.D.
NPI 1518901651 · Ophthalmology Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joel Corwin, M.D. is a Ophthalmology Physician provider in Ventura, CA (NPI 1518901651).
Provider details
- NPI number
- 1518901651
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G49477 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,646 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Photography of the Retina92250 | 2,624 | $37 |
| Injection of Drug Into Eye67028 | 1,708 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,686 | $90 |
| Compounded Drug, Not Otherwise ClassifiedJ7999 | 1,380 | $92 |
| Established Patient Complete Exam of Visual System92014 | 1,098 | $129 |
| Imaging of Retina92134 | 512 | $41 |
| Established Patient Problem Focused Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 138 | 43 |
| Prednisolone Acetate | 84 | 39 |
| Timolol Maleate | 65 | 21 |
| Brimonidine Tartrate | 39 | 16 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 36 | 14 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 20 | — |
| Moxifloxacin Hclbrand: Moxifloxacin | 18 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$586 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2020-12-16
- Certified
- 2020-12-16
Frequently asked questions
- What is Joel Corwin's NPI number?
- Joel Corwin's National Provider Identifier (NPI) is 1518901651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joel Corwin's specialty?
- Joel Corwin is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joel Corwin located?
- Joel Corwin's practice location on file with NPPES is 3085 Loma Vista Rd, Ventura, CA 93003-2916.
- What is Joel Corwin's phone number?
- The practice phone number listed in the NPPES registry for Joel Corwin is (805) 648-3085.
- Does Joel Corwin accept Medicare?
- Joel Corwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joel Corwin's NPI active?
- Yes — Joel Corwin's NPI (1518901651) is active in the NPPES registry as of the last update on 2020-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.