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

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