PROVIDER PROFILE · NPI 1689773244

Alessandro CastellarinM.D.

OphthalmologySanta Barbara, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

7,788

Unique beneficiaries

—

Total services

64,189

Distinct HCPCS

Medicare payment

$6.4M

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

994

Beneficiaries

—

Total drug cost

$143K

Distinct drugs

Brand share

36.8%

Top prescribed drugs

Prednisolone Acetate125 claims

Erythromycin Base111 claims

Brimonidine Tartrate80 claims

Dorzolamide Hcl/Timolol Maleat77 claims

Latanoprost74 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$5K

Payment records

By payment type

Consulting Fee$2K

Food and Beverage$2K

REFERRAL NETWORK

Where Alessandro Castellarin'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). 44 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Pacific Point Laboratories, Inc. Clinical Laboratory · San Luis Obispo, CA	251	600
Pacific Diagnostic Laboratories Clinical Laboratory · Santa Barbara, CA	197	553
Unilab Corporation Clinical Laboratory · West Hills, CA	141	338
SANTA BARBARA COTTAGE HOSPITAL	77	174
BAKERSFIELD MEMORIAL HOSPITAL	40	190
Gregory Stainer Ophthalmology · La Jolla, CA	39	89
Steven Zelko Ophthalmology · Santa Barbara, CA	37	74
COMMUNITY MEMORIAL HEALTH SYSTEM	37	81
CHANG, JOSEPH	33	61
Daniel Chang Ophthalmology · Bakersfield, CA	31	55
NPI 1255335535	29	77
DIGNITY HEALTH	29	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