caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1043395098

Maria CastillejosM.D.

PRACTICECASTILLEJOS EYE INSTITUTE MEDICAL GROUPSee all providers at this practice →
OphthalmologyChula Vista, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050222
Hospital
QUALITY · MIPS · 2024
Final MIPS score
88.6
Quality
98.0
Cost
64.7
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.57%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$528
Payment records
26
By payment type
Food and Beverage$528
PRESCRIBING · PART D · 2024
Total Rx claims
3,623
Beneficiaries
—
Total drug cost
$766K
Distinct drugs
26
Brand share
52.4%
Top prescribed drugs
Latanoprost786 claims
Bimatoprost497 claims
Dorzolamide Hcl/Timolol Maleat367 claims
Timolol Maleate244 claims
Lifitegrast212 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,144
Unique beneficiaries
—
Total services
2,365
Distinct HCPCS
15
Medicare payment
$370K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).
REFERRAL NETWORK

Where Maria Castillejos'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 · 26 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
103210
SHARP CHULA VISTA MEDICAL CENTER66113
CALDERON, JUAN2968
Cesar Pena
Internal Medicine · Chula Vista, CA
2766
SPECTRA LABORATORIES INC2237
PRIME HEALTHCARE PARADISE VALLEY LLC1827
REGENTS OF THE UNIVERSITY OF CALIFORNIA1840
CENTRO DE SALUD DE LA COMUNIDAD DE SAN YSIDRO, INC.1824
Jose Lira
Internal Medicine · Chula Vista, CA
1550
Tagumpay Sacamay
Nephrology · National City, CA
1235
Jennifer Rullan
Dermatology · Chula Vista, CA
1213
CHISHOLM, JOHN1119
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
117237
SHARP CHULA VISTA MEDICAL CENTER66133
David Castillejos
Ophthalmology · Chula Vista, CA
6094
SCRIPPS HEALTH5886
Cesar Pena
Internal Medicine · Chula Vista, CA
2869
CALDERON, JUAN2878
SAN DIEGO IMAGING-CHULA VISTA LLC2750
CENTRO DE SALUD DE LA COMUNIDAD DE SAN YSIDRO, INC.2438
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
2441
PRIME HEALTHCARE PARADISE VALLEY LLC2136
SZKOPIEC, ROMAN1837
Jose Lira
Internal Medicine · Chula Vista, CA
1748
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.