Summary

Dr. Cristina O'day is a board-certified obstetrician and gynecologist who has dedicated 19 years to women's healthcare. She earned her medical degree from UC Irvine and completed her internship and residency at UC San Diego, finishing her residency training in 2011. Her extensive experience spans nearly two decades of caring for women through all stages of reproductive health. Dr. O'day is fluent in both Spanish and English, allowing her to serve diverse patient populations.

Dr. O'day practices at Saint Joseph Hospital Orange and sees patients at the St. Joseph Heritage Medical Group - Helen Caloggero Center in Orange, California. She specializes in managing high-risk pregnancies and providing comprehensive care for women who become pregnant after age 30. Her expertise also includes addressing antepartum depression, supporting mothers through the emotional challenges that can arise during pregnancy. Patients have given her an average rating of 2.5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2.5
  • 19 years of experience
  • 27 insurance plans accepted
  • speaks English, Spanish
  • UC San Diego
  • 4 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Female

Patients’ Perspective

  • Flexible scheduling

Office Location

St. Joseph Heritage Medical Group - Helen Caloggero Center

363 S Main St Ste 345Orange, CA 92868

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Cristina Hernandez O'day, MDDr. Ingrid Anne Rodi, MDDr. Shawanda Renee Obey, MDDr. Michael D Andersen, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
2.5 
4.7 
3.8 
19 Years of Experience 47 Years of Experience 26 Years of Experience 33 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English, Portuguese, German Speaks English Speaks English, Spanish
Orange , CALos Angeles , CARancho Cucamonga , CAMurrieta , CA
Med School: Medical UC Irvine Med School: Warren Alpert Medical School Of Brown University Med School: Texas Tech University Health Science Center School Of Medicine Med School: St Louis University School Of Medicine
Current Profile
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Insurance Plans Accepted by Cristina Hernandez O'day

  • Accepts Medicare
  • Aetna - HMO
  • Aetna Medicare Advantage HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO
  • Anthem Blue Cross HMO
  • Anthem Blue Cross Medicare Advantage
  • Anthem Blue Cross Medicare PPO
  • Anthem Blue Cross PPO
  • Blue Shield of CA HMO
  • Blue Shield of CA HMO - Trio
  • Blue Shield of CA Medicare Advantage
  • Blue Shield of CA PPO
  • Cigna HMO
  • Cigna PPO
  • Coventry/First Health PPO
  • Health Net - HMO
  • Health Net - Medicare Advantage
  • Health Net PPO
  • HealthSmart (Interplan) PPO
  • Multiplan PPO
  • Providence Health Plan - Medicare Advantage
  • SCAN Medicare Advantage
  • TriWest - Tricare
  • United Healthcare HMO
  • United HealthCare PPO
  • US Family Health Plan - TriCare
  • Vivity by Anthem Blue Cross

Medical Specialties

Cristina Hernandez O'day has the following specialty

Specialty Expertise

Cristina Hernandez O'day has the following 11 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

19 Years Experience

Cristina Hernandez O'day holds an expired medical license in the state of California.

Medical License

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

Education & Training

Residency

Completed their residency at UC San Diego in 2011.

Internship

Completed their internship at UC San Diego in 2010.

Medical School

Graduated from Medical UC Irvine in 2007.

NPI Number

Cristina Hernandez O'day's NPI number is 1275738940.

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Frequently Asked Questions

Does Cristina O'day accept virtual/telehealth appointments?
Cristina O'day has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Cristina O'day speak?
Cristina O'day speaks English and Spanish.
Where is Cristina O'day's office located?
Cristina O'day's office is located at 363 S Main St Ste 345, Orange, CA, 92868.
Does Cristina O'day accept my insurance?
You can see the insurance plans that Cristina O'day accepts on their Vitals profile.
How can I make an appointment with Cristina O'day?
You can find contact information for Cristina O'day here on Vitals.

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