What is David Castillejos's specialty?

David Castillejos (NPI 1558446401) is a Medicare-billing provider whose primary specialty is Ophthalmology in Chula Vista, CA.

Where does David Castillejos practice?

David Castillejos practices in Chula Vista, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1558446401.

How much does Medicare pay David Castillejos?

David Castillejos (NPI 1558446401) received approximately $184K in total Medicare Part B payments, serving 344 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1558446401

David CastillejosM.D.

PRACTICECASTILLEJOS EYE INSTITUTE MEDICAL GROUPSee all providers at this practice →

OphthalmologyChula Vista, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

942

Unique beneficiaries

—

Total services

1,345

Distinct HCPCS

Medicare payment

$136K

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

5,967

Beneficiaries

—

Total drug cost

$666K

Distinct drugs

Brand share

29.5%

Top prescribed drugs

Prednisolone Acetate901 claims

Diclofenac Sodium844 claims

Latanoprost757 claims

Ciprofloxacin Hcl736 claims

Neomycin/Polymyxin B/Dexametha519 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

98.8

Cost

72.2

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$393

Payment records

By payment type

Food and Beverage$393

Top paying entities

Food and Beverage$393

REFERRAL NETWORK

Where David 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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	98	214
SHARP CHULA VISTA MEDICAL CENTER	71	165
Maria Castillejos Ophthalmology · Chula Vista, CA	60	94
Cesar Pena Internal Medicine · Chula Vista, CA	24	60
CALDERON, JUAN	19	39
SPECTRA LABORATORIES INC	15	27
CENTRO DE SALUD DE LA COMUNIDAD DE SAN YSIDRO, INC.	15	20
Otay Lakes Surgery Center, Llc Ambulatory Surgical Center · Chula Vista, CA	15	18
REGENTS OF THE UNIVERSITY OF CALIFORNIA	12	36
Brett Berman Cardiology · Chula Vista, CA	11	24

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events