Summary

Dr. Lisa Diaz is a board-certified obstetrician and gynecologist who earned her medical degree from Baylor College of Medicine and completed her residency at UCLA Medical Center. With 35 years of experience in women's healthcare, she has developed extensive expertise in managing complex pregnancies and comprehensive gynecological care. Dr. Diaz is fluent in Chinese, Spanish, and English, allowing her to serve patients from diverse backgrounds.

Based at Hoag Hospital Newport Beach, Dr. Diaz specializes in caring for women with high-risk pregnancies and managing conditions such as preeclampsia and abdominal pain during pregnancy. She performs essential procedures including nonstress tests to monitor fetal well-being, detailed fetal ultrasounds, and amniotic fluid assessments. Her practice serves patients throughout Newport Beach, California, and she maintains an average patient rating of 3.8 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3.8
  • 35 years of experience
  • speaks Chinese, Spanish, English
  • Ucla Medical Center
  • 15 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Dr. Lisa Ornellas Diaz has 2 locations

Chu And Diaz Medical Group

361 Hospital Rd Ste 223Newport Beach, CA 92663
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 1:45 pm
SatClosed
SunClosed

Hoag Memorial Hospital Presbyterian

1 Hoag DrNewport Beach, CA 92663

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Dr. Lisa Ornellas Diaz, MD
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Dr. Lisa Ornellas Diaz, MDDr. Shawanda Renee Obey, MDDr. Peyman SaadatDr. Ashim Kumar, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
4.3 
3.8 
35 Years of Experience 26 Years of Experience 30 Years of Experience 28 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option Virtual Visit Available
Speaks Chinese, Spanish, English Speaks English Speaks English Speaks English, Hindi, Punjabi
Newport Beach , CARancho Cucamonga , CALos Angeles , CAEncino , CA
Med School: Baylor College Of Medicine Med School: Texas Tech University Health Science Center School Of Medicine Med School: Keck School Of Medicine Of The University Of Southern California Med School: Emory University
Current Profile
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Insurance Plans Accepted by Dr. Lisa Ornellas Diaz

  • Accepts Medicare

Medical Specialties

Dr. Lisa Ornellas Diaz has the following specialty

Specialty Expertise

Dr. Lisa Ornellas Diaz 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

35 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Ucla Medical Center

Medical School

Baylor College Of MedicineGraduated in 1991

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Frequently Asked Questions

Is Dr. Lisa Diaz accepting new patients?
Dr. Lisa Diaz is accepting new patients on Vitals. View Dr. Lisa Diaz's profile on Vitals to make an appointment.
Does Dr. Lisa Diaz accept my insurance?
You can see the insurance plans that Dr. Lisa Diaz accepts on their Vitals profile.
Which hospitals is Dr. Lisa Diaz affiliated with?
Dr. Lisa Diaz is affiliated with Hoag Hospital Newport Beach.
How can I make an appointment with Dr. Lisa Diaz?
You can find contact information for Dr. Lisa Diaz here on Vitals.
Where is Dr. Lisa Diaz's office located?
Dr. Lisa Diaz's office is located at 361 Hospital Rd Ste 223, Newport Beach, CA, 92663.

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