Summary

Dr. John Williams specializes in obstetrics and gynecology with advanced training in maternal and fetal medicine and medical genetics. He earned his medical degree from UCLA and completed his residency at Harbor-UCLA Medical Center, followed by fellowship training in maternal-fetal medicine at the same institution. With 48 years of experience in women's health, Dr. Williams holds certifications in clinical genetics and clinical cytogenetics from the American Board of Medical Genetics, as well as certification in obstetrics and gynecology from the American Board of Obstetrics and Gynecology. He provides care in English.

Dr. Williams practices at Cedars Sinai Medical Center in Los Angeles, California, where he focuses on caring for women with high-risk pregnancies and expectant mothers over 30. His expertise includes managing pregnancy-related weight concerns and providing specialized prenatal care. He performs fetal ultrasounds to monitor baby development and offers comprehensive prenatal screening services, including integrated prenatal screening and nuchal translucency screening tests to assess for genetic conditions. Patients rate Dr. Williams 4.9 out of 5 stars for his compassionate and expert care.
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Quick Facts

  • accepting new patients
  • 4.9
  • 48 years of experience
  • 27 insurance plans accepted
  • speaks English
  • Harbor-UCLA Medical Center
  • 2 written reviews
  • 3 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Cedars-Sinai Prenatal Testing & Diagnosis

444 S San Vicente Blvd Ste 1001Los Angeles, CA 90048
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

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Dr. John Williams IIi, MDDr. Prudence Hall, MDDr. Shawanda Renee Obey, MDDr. Abigail Grace Prushansky, CEO, DNP, FNP-BC, CNM
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
3.8 
48 Years of Experience 48 Years of Experience 26 Years of Experience 5 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Los Angeles , CASANTA MONICA , CARancho Cucamonga , CATorrance , CA
Med School: UCLA Med School: Keck School Of Medicine Of The University Of Southern California Med School: Texas Tech University Health Science Center School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Williams IIi

  • AARP
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Texas
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima
  • Cigna
  • Health Net - HMO
  • HealthScope Benefits
  • Humana
  • Inland Empire Health Plan
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid (Managed)
  • Magellan Health
  • Meritain Health
  • Molina Healthcare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Western Health Advantage

Medical Specialties

Dr. John Williams IIi has the following 3 specialties

Specialty Expertise

Dr. John Williams IIi has the following 2 areas of expertise

  • Maternal & Fetal Medicine
  • Medical Genetics

Certifications, License, & Education

48 Years Experience

BOARD CERTIFICATIONS

American Board of Medical Genetics

Clinical Genetics (MD)

American Board of Medical Genetics

Clinical Cytogenetics

American Board of Obstetrics and Gynecology

Obstetrics and Gynecology

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Fellowship

Harbor-UCLA Medical Center1985

Residency

Harbor-UCLA Medical Center1982
Harbor-UCLA Medical Center1979

Medical School

UCLAGraduated in 1978

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Frequently Asked Questions

Is Dr. John Williams IIi accepting new patients?
Dr. John Williams IIi is accepting new patients on Vitals. View Dr. John Williams IIi's profile on Vitals to make an appointment.
Does Dr. John Williams IIi accept my insurance?
You can see the insurance plans that Dr. John Williams IIi accepts on their Vitals profile.
How can I make an appointment with Dr. John Williams IIi?
You can find contact information for Dr. John Williams IIi here on Vitals.
Does Dr. John Williams IIi accept virtual/telehealth appointments?
Dr. John Williams IIi has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. John Williams IIi affiliated with?
Dr. John Williams IIi is affiliated with Cedars Sinai Medical Center.

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