KW
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Williamson, Pediatrician in Lake Forest, CA?
Dr. Katherine Williamson, MD is a Pediatrician, who primarily practices in Lake Forest, CA with 2 additional practice locations. She is board certified by the American Board of Pediatrics. Dr. Williamson completed her residency at Children's Hospital of Orange County. Dr. Williamson is fluent in English and Spanish, and is currently seeing new patients. Dr. Williamson’s practice accepts Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Williamson’s office at (949) 388-1798.
Where did Dr. Williamson go to medical school and complete their residency?
Residency: Children's Hospital of Orange County
Medical School: University of Ca, San Francisco, Sch of Medicine
Is Dr. Williamson board certified in Pediatrician?
Yes, Dr. Katherine Williamson, MD is board certified by the American Board of Pediatrics
What languages does Dr. Williamson speak?
Dr. Williamson and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Williamson treat?
As a Pediatrician, Dr. Williamson diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Williamson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Routine Child Health Examination (Normal Findings)
- Health Checkup
- Normal Well-Child Checkup
- Child Physical Exam (No Issues)
- Routine Pediatric Exam (Clear)
ICD-10 Codes:
- Z00129: Encounter for routine child health examination without abnormal findings
Also known as:
- Exercise Counseling
- Fitness Coaching
- Physical Activity Guidance
- Exercise Prescription
ICD-10 Codes:
- Z7182: Exercise counseling
Also known as:
- Nutrition Counseling
- Nutrition
- Dietary advice
- Nutritional guidance
- Healthy eating counseling
ICD-10 Codes:
- Z713: Dietary counseling and surveillance
Also known as:
- Depression Screening
- Depression
- Health Screening
- Depression Test
- Mental Health Check for Depression
- Mood Disorder Screening
ICD-10 Codes:
- Z1331: Encounter for screening for depression
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- Healthy Weight Child (BMI 5th-85th percentile)
- Body Weight
- Normal BMI for child
- Child healthy weight
- Pediatric normal weight
ICD-10 Codes:
- Z6852: Body mass index [BMI] pediatric, 5th percentile to less than 85th percentile for age
Also known as:
- Common Cold
- Upper Respiratory Infection
- Head Cold
- Cold Symptoms
- Nasal Congestion
ICD-10 Codes:
- J069: Acute upper respiratory infection, unspecified
- J00: Acute nasopharyngitis [common cold]
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Sore Throat
- Acute pharyngitis
- Throat inflammation
- Acute throat infection
ICD-10 Codes:
- J029: Acute pharyngitis, unspecified
Also known as:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
Also known as:
- Pneumonia
- Lung Infection
- Chest Infection
- Pneumonitis
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
Also known as:
- Fever
- High temperature
- Pyrexia
- Elevated body temperature
ICD-10 Codes:
- R509: Fever, unspecified
Also known as:
- Overweight Child
- Body Weight
- Childhood Overweight
- Pediatric Overweight
- High BMI in Children
ICD-10 Codes:
- Z6853: Body mass index [BMI] pediatric, 85th percentile to less than 95th percentile for age
Also known as:
- Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D649: Anemia, unspecified
Also known as:
- Chronic Sinusitis
- Sinusitis
- Chronic sinus infection
- Long-term sinus problems
- Persistent sinus inflammation
ICD-10 Codes:
- J329: Chronic sinusitis, unspecified
Also known as:
- Eating Disorder
- Disordered eating
- Food-related mental health issues
- Feeding disorders
ICD-10 Codes:
- F509: Eating disorder, unspecified
Also known as:
- Viral Infection
- Virus Infection
- Viral Illness
- Common Virus
ICD-10 Codes:
- B349: Viral infection, unspecified
Also known as:
- Flu with Respiratory Symptoms
- Flu
- Influenza with Breathing Problems
- Flu with Cough
- Severe Flu
ICD-10 Codes:
- J101: Influenza due to other identified influenza virus with other respiratory manifestations
Also known as:
- Skin Rash
- Rashes
- Skin Eruption
- Hives
- Dermatitis
- Skin Inflammation
ICD-10 Codes:
- R21: Rash and other nonspecific skin eruption
Which procedures does Dr. Williamson perform as a Pediatrician?
As a Pediatrician, procedures performed by a Dr. Katherine Williamson may include:
- 12 Month Well-Baby Checkup
- 15 Month Well-Baby Checkup
- 18 Month Well-Baby Checkup
- 1 Month Well-Baby Checkup
- 24 Month Well-Baby Checkup
- 2 Month Well-Baby Checkup
- 2 Week Well Baby Checkup
- 30 Month Well-Baby Checkup
For detailed information, please contact Dr. Williamson's office.
Does Dr. Williamson accept my insurance?
Dr. Williamson accepts most major insurance plans. Important: Please call our office at (949) 388-1798 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Williamson accept in Lake Forest, CA?
Dr. Williamson in Lake Forest, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Territories
All Other Third Party
Blue Shield of California
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Monarch HealthCare
OptumRx
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Williamson's office located?
Dr. Katherine Williamson's Primary Practice
23321 El Toro Rd Ste F
Lake Forest, CA 92630
(949) 388-1798
Dr. Katherine Williamson's Practice 2
800 Corporate Dr Ste 280
Ladera Ranch, CA 92694
(949) 388-1798
What is Dr. Williamson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Williamson's National Provider Identifier (NPI) number is 1982916375.
What common questions do patients ask about Dr. Williamson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Williamson
What is Dr. Katherine Williamson's specialty?
Dr. Williamson is a Pediatrician near Lake Forest, CA. A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development. Contact Dr. Williamson to book an appointment today.
Is this Dr. Katherine Williamson affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Williamson is affiliated with Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Pediatrician?
Explore Pediatrician with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Katherine Williamson accepting new patients in Lake Forest, CA?
Yes, Dr. Katherine Williamson is accepting new patients at this time.
Does Dr. Katherine Williamson offer online booking?
Please contact Dr. Williamson's office at (949) 388-1798 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Katherine Williamson?
Please contact Dr. Williamson's office at (949) 388-1798 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Katherine Williamson have?
Dr. Katherine Williamson is certified by the American Board of Pediatrics.
Other Pediatrician Near Lake Forest, CA
RB
Pediatrician
Accepting patientsDr. Regina Brown, MD is a Pediatrician, who primarily practices in Lake Forest, CA with 1 additional practice location. She has been practicing for over 34 years and is board certified by the American Board of Pediatrics.
Lake Forest, CA
TC
Pediatrician
Accepting patientsDr. Terence Chu, MD is a Pediatrician, who primarily practices in Lake Forest, CA with 1 additional practice location. He has been practicing for over 22 years and is board certified by the American Board of Pediatrics.
Lake Forest, CA
EB
Pediatrician
Accepting patientsDr. Eric Ball, MD is a Pediatrician, who primarily practices in Lake Forest, CA with 1 additional practice location. He is board certified by the American Board of Pediatrics and American Board of Dermatology.
Lake Forest, CA