HealthyBlue Advantage
Dr. Katherine Williamson, MD
Pediatrics*
Age 47
Dr. Katherine Williamson, MD is a Pediatrician in Ladera Ranch, CA.
Dr. Katherine Williamson, MD
Ladera Ranch, CA
Accepting new patients
Offers telehealth
Dr. Katherine Williamson, MD is a Pediatrician in Ladera Ranch, CA.
About Dr. Katherine Williamson, MD
Dr. Katherine Williamson, MD is a Pediatrician in Ladera Ranch, CA. Dr. Williamson currently practices at Southern Orange County Pediatric Associates-Ladera Ranch and is affiliated with MemorialCare Saddleback Medical Center, Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach and Children's Hospital of Orange County. Dr. Williamson has experience treating conditions like Acute Upper Respiratory Infection among other conditions at varying frequencies. Dr. Williamson's office accepts new patients and telehealth appointments. Dr. Williamson is board certified in Pediatrics and accepts multiple insurance plans.
Offers Telehealth
This provider offers telehealth appointments. Call the office to schedule.
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Accepted Insurance Plans
* Please verify this information when scheduling an appointment.
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BlueCard PPO
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Select PPOAdvantage Preferred DirectAccess Plus PPOBlue Cross CA PPO Prudent Buyer Small Group PPOBlue Cross Blue Shield of California PPOBlue Cross CA Vivity HMO
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Silver 70 PPOLocal Access Plus HMOTrio ACO HMOBlue High Performance Network EPOTandem PPOAccess Plus HMOAccess Plus Savenet
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CA Cigna + Oscar Open Access Plus
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CA Healthnet PPOCA Employer Group Plans HMOCA WholeCare Network HMOExcelCare Small / Large GroupCA CommunityCare Network HMO
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LocalPlusSouthern CA Select HMOCigna PPOCigna HMOOpen Access Plus
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Select HMOCalifornia Care Large Group HMOPrudent Buyer Large Group CA PPOCalifornia Care Small Group HMOPathway HMOPrudent Buyer Individual CA PPOHigh Performance Network HPNAdvantage HMO
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Deductible Plan CA Members Only HMOChoice Plus POS IIBasic HMOPremier Care Network Plus - Innovation HealthAWH Southern California HMOManaged Choice (Open Access) POSAetna HMOElect Choice (Open Access) EPOSavings Plus of CA EPOOpen Choice PPO
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Navigate Plus POSNavigate HMOOptions PPOSignatureValue - CA HMOChoice Plus POSSignatureValue Advantage - CA HMOSignatureValue Alliance
Where Dr. Katherine Williamson, MD Sees Patients
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Southern Orange County Pediatric Associates-Ladera Ranch777 Corporate Dr Ste 250, Ladera Ranch, CA 92694
What Patients Say
Likelihood to recommend Dr. Williamson
1.0
Based on 1 Reviews
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Patient Reviews
Jan 06, 2026
It was horrible never again
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Telehealth Options
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Meet Dr. Katherine Williamson, MD
Specialties*
Pediatrics
- *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
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FAQs About Dr. Williamson's Practice
Find contact information here to make an appointment.
A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.
New patients are generally accepted by Dr. Katherine Williamson, MD. To arrange an appointment, call the number on Dr. Williamson's profile.
Dr. Williamson in specializes in Pediatrics. See more on Sharecare.
Dr. Williamson frequently treats the following conditions: Acute Upper Respiratory Infection. See more on Sharecare.
Dr. Williamson's office is located at 777 Corporate Dr Ste 250 Ladera Ranch, CA 92694. You can find other locations and directions on Sharecare.
Dr. Williamson provides telehealth services. Please contact the office to determine whether you are eligible.
Dr. Katherine Williamson, MD is affiliated with MemorialCare Saddleback Medical Center, Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach and Children's Hospital of Orange County.
Yes, Dr. Katherine Williamson, MD holds board certification in Pediatrics.
Dr. Katherine Williamson, MD has a star rating of 1.0/5. See more patient feedback on Sharecare.
Training & Medical Education
Board Certifications
- Pediatrics
Internship
- Children's Hospital of Orange County
Residency Hospital
- Children's Hospital of Orange County
Hospitals Where Dr. Katherine Williamson, MD Practices
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MemorialCare Saddleback Medical Center
24451 Health Center Dr, Laguna Hills, CA
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Providence Mission Hospital Mission Viejo
27700 Medical Center Rd, Mission Viejo, CA
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Hoag Hospital Newport Beach
1 Hoag Dr, Newport Beach, CA
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Children's Hospital of Orange County
1201 W La Veta Ave, Orange, CA
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