PROVIDER PROFILE · NPI 1902801764

John DarinM.D.

OphthalmologyWestlake Village, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

621

Unique beneficiaries

—

Total services

739

Distinct HCPCS

Medicare payment

$68K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

262

Beneficiaries

—

Total drug cost

$24K

Distinct drugs

Brand share

35.5%

Top prescribed drugs

Latanoprost78 claims

Timolol Maleate42 claims

Tobramycin/Dexamethasone32 claims

Bimatoprost25 claims

Brimonidine Tartrate22 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$51

Payment records

By payment type

Food and Beverage$51

REFERRAL NETWORK

Where John Darin'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). 13 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	90	152
LOS ROBLES REGIONAL MEDICAL CENTER	70	97
Houman Vosoghi Ophthalmology · Westlake Village, CA	33	45
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES	14	19
Larry Slomowitz Podiatry · Westlake Village, CA	14	15
Kenneth Diddie Ophthalmology · Westlake Village, CA	13	24
WEST COAST CLINICAL LABORATORIES, INC.	13	18
David Aufrichtig Diagnostic Radiology · Thousand Oaks, CA	12	15
Catherine Moses Diagnostic Radiology · Thousand Oaks, CA	12	12
Sanjiv Sheel Diagnostic Radiology · Edina, MN	12	15
JOSEPHSON, MARTIN	11	17
American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA	11	13

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