Guillermo Castillo, M.D.
Guillermo Castillo is a Family Medicine specialist based in San Diego, CA with over 25 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Guillermo Castillo, M.D. practices as part of a group family medicine physician practice in San Diego, CA. Trained at University of Southern California Keck School of Medicine (class of 2001), he has been practicing for over 25 years. Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family.
Older · 3307dNPPES updated 2017-05-05 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
2001 4th Ave, San Diego, CA 92101-2303
$350 received from industry
6 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Guillermo Castillo's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2001
Keck School of Medicine of Usc
25 years in practice
Experienced
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Education & Training
University of Southern California Keck School of Medicine (Class of 2001)
Virtual Family Medicine Care With Guillermo Castillo
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Guillermo Castillo for follow-ups, medication reviews, and ongoing care — no travel to San Diego required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Guillermo Castillo
NPI records show Dr. Castillo as active with telehealth listed in San Diego, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (858) 499-2717.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024. See Data Methodology.
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Contact Guillermo Castillo
Practice Location
2001 4th Ave, San Diego, CA 92101-2303
Mailing Address
2001 4th Ave, San Diego, CA 92101-2303
This is a provider directory. Contact the office directly to schedule appointments.
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