Summary

I am honored that patients trust me to help them in their most vulnerable state.Maria Olivia Ortiz Castillo, M.D., is a board-certified internist who is dedicated to providing the best possible care to patients when they enter the hospital, perhaps the most challenging time in their lives. Dr. Castillo has a decade of experience as a trained hospitalist at facilities across Southern California, and she relishes the challenge “to create strategic plans to improve health and health care outcomes for patients with complex conditions.”Dr. Castillo received her medical degree from UCLA’s David Geffen School of Medicine and continued her training with an internship and residency at Huntington Memorial Hospital in Pasadena, California.Dr. Castillo prides herself on the relationships she forms with her patients. She’s delighted to join the City of Hope® family. “Working with a team on the cutting edge of science looking for novel therapies to aid in this unique population is incredibly rewarding.”
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Quick Facts

  • accepting new patients
  • 4
  • 16 years of experience
  • 66 insurance plans accepted
  • speaks English
  • David Geffen School Of Medicine At Ucla
  • 2 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 1 office location
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

City of Hope Comprehensive Cancer Center - Duarte

1500 Duarte RdDuarte, CA 91010
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat8:00 am - 8:00 pm
Sun8:00 am - 8:00 pm

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Maria Olivia Ortiz Castillo
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Maria Olivia Ortiz CastilloDr. Reem Samir ItaniDr. Christian Guillermo CaceresDr. Daniel Sinwoo Lee
Hospital MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
16 Years of Experience 12 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Duarte , CAJacksonville , FLSaint Louis , MOGardena , CA
Med School: David Geffen School Of Medicine At Ucla Med School: University Of Illinois At Chicago College Of Medicine Med School: Wayne State University School Of Medicine
Current Profile
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Insurance Plans Accepted by Maria Olivia Ortiz Castillo

  • AARP
  • Adventist Health - Medicaid
  • Aetna
  • Aetna - EPO
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - POS
  • Alignment Health Plan
  • Allegiance Life and Health
  • AltaMed Senior BuenaCare (PACE) - Medicaid (HMO Plans)
  • Anthem Blue Cross
  • Anthem Blue Cross - HMO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Michigan
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima
  • Cigna
  • GEHA
  • Health Net
  • Health Net - HMO
  • Health Net - Medicaid
  • Health Net - Medicaid (HMO Plans)
  • Health Plan of Nevada
  • Health Plan of Nevada - PPO
  • HealthSmart
  • Humana
  • Humana - HMO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid
  • Kaiser Permanente - Medicaid (HMO Plans)
  • Kaiser Permanente - Medicare
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Medi-Cal - Medicaid
  • Medi-Cal - Medicaid (HMO Plans)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (HMO Plans)
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • Optima Health - Medicaid
  • Optima Health - Medicaid (HMO Plans)
  • Physicians Mutual
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sierra Health and Life
  • Sierra Health and Life - Medicare
  • Tricare
  • United American
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO

Medical Specialties

Maria Olivia Ortiz Castillo has the following specialty

Specialty Expertise

Maria Olivia Ortiz Castillo has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

16 Years Experience

Maria Olivia Ortiz Castillo holds an expired medical license in the state of Washington.

Medical License

Medical Doctor with an expired medical license in the state of Washington that expired in 2026.

Education & Training

Medical School

Graduated from David Geffen School Of Medicine At Ucla in 2010.

NPI Number

Maria Olivia Ortiz Castillo's NPI number is 1811298516.

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Frequently Asked Questions

Does Maria Olivia Ortiz Castillo accept virtual/telehealth appointments?
Maria Olivia Ortiz Castillo has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Maria Olivia Ortiz Castillo accept my insurance?
You can see the insurance plans that Maria Olivia Ortiz Castillo accepts on their Vitals profile.
How can I make an appointment with Maria Olivia Ortiz Castillo?
You can find contact information for Maria Olivia Ortiz Castillo here on Vitals.
Is Maria Olivia Ortiz Castillo accepting new patients?
Maria Olivia Ortiz Castillo is accepting new patients on Vitals. View Maria Olivia Ortiz Castillo's profile on Vitals to make an appointment.
Where is Maria Olivia Ortiz Castillo's office located?
Maria Olivia Ortiz Castillo's office is located at 1500 Duarte Rd, Duarte, CA, 91010.

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