Summary

Dr. John Williams specializes in obstetrics and gynecology with additional expertise in maternal and fetal medicine and medical genetics. He completed his medical degree at UCLA and pursued extensive training through multiple residencies and a fellowship at Harbor-UCLA Medical Center, finishing his specialized training in 1985. With 48 years of experience in medicine, Dr. Williams holds certifications in clinical genetics, clinical cytogenetics, and obstetrics and gynecology from their respective American boards. He provides care in English.

Dr. Williams practices at Cedars Sinai Medical Center in Los Angeles, California, where he focuses on complex pregnancy care. He specializes in managing high-risk pregnancies and provides expert care for women who become pregnant after age 30. His practice also addresses pregnancy-related weight concerns to ensure optimal outcomes for both mother and baby. Dr. Williams performs detailed fetal ultrasounds and offers comprehensive prenatal screening services, including integrated screening and nuchal translucency testing to assess fetal development. Patients rate his care highly, giving him an average score of 4.9 out of 5.
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Overview based on verified provider data

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

Patients’ Perspective

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

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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John Williams IIi, MDDr. Shawanda Renee Obey, MDDr. Ingrid Anne Rodi, MDDr. Donna Alane Richey, MD
Obstetrics & GynecologyObstetrics & GynecologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
4.7 
3.7 
48 Years of Experience 26 Years of Experience 47 Years of Experience 39 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English, Portuguese, German Speaks English, Spanish
Los Angeles , CARancho Cucamonga , CALos Angeles , CATorrance , CA
Med School: UCLA Med School: Texas Tech University Health Science Center School Of Medicine Med School: Warren Alpert Medical School Of Brown University Med School: David Geffen School Of Medicine At Ucla
Current Profile
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Insurance Plans Accepted by 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

John Williams IIi has the following 3 specialties

Specialty Expertise

John Williams IIi has the following 2 areas of expertise

  • Maternal & Fetal Medicine
  • Medical Genetics

Certifications, License, & Education

48 Years Experience

John Williams IIi holds an active medical license in the state of California. They are board certified in Clinical Genetics (MD), Clinical Cytogenetics, and Obstetrics and Gynecology by the American Board of Medical Genetics and American Board of Obstetrics and Gynecology.

Board Certifications

Board certified in Clinical Genetics (MD) by the American Board of Medical Genetics, board certified in Clinical Cytogenetics by the American Board of Medical Genetics, and board certified in Obstetrics and Gynecology by the American Board of Obstetrics and Gynecology.

Medical License

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

Education & Training

Fellowship

Completed their fellowship at Harbor-UCLA Medical Center in 1985.

Residency

Completed their residency at Harbor-UCLA Medical Center in 1982 and Harbor-UCLA Medical Center in 1979.

Medical School

Graduated from UCLA in 1978.

NPI Number

John Williams IIi's NPI number is 1205819133.

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Frequently Asked Questions

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

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