What is Joel Corwin's specialty?

Joel Corwin (NPI 1518901651) is a Medicare-billing provider whose primary specialty is Ophthalmology in Ventura, CA.

Where does Joel Corwin practice?

Joel Corwin practices in Ventura, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1518901651.

How much does Medicare pay Joel Corwin?

Joel Corwin (NPI 1518901651) received approximately $1.2M in total Medicare Part B payments, serving 1,272 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1518901651

Joel CorwinM.D.

PRACTICEMIRAMAR EYE SPECIALISTS MEDICAL GROUP, INCSee all providers at this practice →

OphthalmologyVentura, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,949

Unique beneficiaries

—

Total services

10,394

Distinct HCPCS

Medicare payment

$1.1M

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

470

Beneficiaries

—

Total drug cost

$34K

Distinct drugs

Brand share

25.1%

Top prescribed drugs

Latanoprost138 claims

Prednisolone Acetate84 claims

Timolol Maleate65 claims

Brimonidine Tartrate39 claims

Dorzolamide Hcl/Timolol Maleat36 claims

QUALITY · MIPS · 2024

Final MIPS score

88.2

Quality

86.2

Cost

73.1

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.56%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$586

Payment records

By payment type

Food and Beverage$586

Top paying entities

Food and Beverage$586

REFERRAL NETWORK

Where Joel Corwin's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 59 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	270	642
LOS ROBLES REGIONAL MEDICAL CENTER	127	239
COMMUNITY MEMORIAL HEALTH SYSTEM	52	113
Ashish Toor Ophthalmology · Thousand Oaks, CA	51	72
John Davidson Ophthalmology · Ventura, CA	50	113
Pacific Diagnostic Laboratories Clinical Laboratory · Santa Barbara, CA	45	95
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES	44	81
American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA	44	55
Daniel Ebroon Ophthalmology · Thousand Oaks, CA	37	69
MALOON, STEPHEN	36	126
BEUTTLER, WILLIAM	35	127
KALRA, JASPINDER	30	48

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history