Doctor profile · Federal record
Dr. Joel Corwin, M.D.
Ophthalmology Physician (CMS: Ophthalmology) · Ventura, CA
- NPI 1518901651
- Accepts Medicare
- MIPS 83.8 / 100 · 2023
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3085 Loma Vista RD
Ventura, CA 930032916
(805) 648-3085
fax (805) 648-7027
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 16, 2020
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207W00000X — NUCC code
- State license (1)
- California #G49477
- Medicaid
- CA #00G494770
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518901651. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11,169
Distinct HCPCS
10
Medicare allowed
$1,638,433
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
92250 |
Photography of the retina | 2,796 | 1,174 | $42 | |
67028 |
Injection of drug into eye | 1,781 | 402 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,757 | 422 | $98 | |
J7999 |
Compounded drug, not otherwise classified | 1,472 | 336 | $92 | |
92014 |
Established patient complete exam of visual system | 1,316 | 966 | $142 | |
J0178 |
Injection, aflibercept, 1 mg | 804 | 77 | $866 | |
92134 |
Imaging of retina | 574 | 303 | $45 | |
92012 |
Established patient problem focused exam of visual system | 342 | 244 | $101 | |
92235 |
Exam of retinal blood vessels using a special camera after injection of a dye | 189 | 176 | $158 | |
92133 |
Imaging of optic nerve | 69 | 66 | $41 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 491. This provider delivers 23× the peer median.Open Payments
Industry payments received
All-time total
$586
Transactions
11
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 3 | $170.70 | |
| Glaukos Corporation | 1 | $136.00 | |
| Astellas Pharma US Inc | 1 | $125.00 | |
| ABBVIE INC. | 4 | $113.37 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $24.54 | |
| Oyster Point Pharma, Inc. | 1 | $16.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
593
Patients
185
Total drug cost
$71,265
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 192 | 68 | $4,651 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 66 | 27 | $1,496 |
| Timolol Maleate | Generic | 62 | 22 | $825 |
| Prednisolone Acetate | Generic | 52 | 20 | $2,107 |
| Brimonidine Tartrate | Generic | 50 | 20 | $3,091 |
| Lumigan (Bimatoprost) | Brand | 49 | 14 | $25,415 |
| Dorzolamide Hcl | Generic | 33 | 14 | $1,259 |
| Alphagan P (Brimonidine Tartrate) | Brand | 32 | 0 | $10,918 |
| Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) | Brand | 17 | 0 | $3,688 |
| Combigan (Brimonidine Tartrate/Timolol) | Brand | 16 | 0 | $7,507 |
Frequently asked questions
What is Dr. Joel Corwin's medical specialty?
Dr. Joel Corwin practices Ophthalmology Physician in Ventura, CA.
Where does Dr. Joel Corwin practice?
Dr. Joel Corwin practices at 3085 Loma Vista RD, Ventura, CA 930032916. Office phone: 8056483085.
What is Dr. Joel Corwin's NPI?
Dr. Joel Corwin's National Provider Identifier (NPI) is 1518901651, issued by NPPES.
Does Dr. Joel Corwin accept Medicare assignment?
Yes. Dr. Joel Corwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joel Corwin commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Injection of drug into eye (HCPCS 67028); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.