Welcome to Conejo Children's Medical Group

The staff of Conejo Children's Medical Group welcomes you to our practice. Our medical staff includes four pediatricians who provide personalized health care to infants, children and young adults with experience in all aspects of pediatric care. Our staff is dedicated to providing care with the old-fashioned medical ethic, "putting the needs of the patient first". Each member of our staff is proud to extend personalized care to you and your family as we look forward to following your children through to young adulthood!


          2019-2020 Flu shots are still in stock!                     Call or message for an appointment today...  

CCMG is happy to announce the arrival of our newest physician...Hillary Seidenberg, MD.


Dr. Hillary Seidenberg is a native of Los Angeles, California. She graduated from University of California Los Angeles (UCLA) with a bachelor's degree in neuroscience and the honor of summa cum laude. This was followed by two years in which she conducted neuroscience research at Cedars Sinai Medical Center. Dr. Seidenberg then completed her medical school training at the UCLA David Geffen School of Medicine and remained at UCLA for her training at the UCLA Pediatrics Residency.  While undergoing her medical education, Dr. Seidenberg conducted community health services research in adolescent medicine. During her last year of residency, she worked at the After Hours Pediatrics Urgent Care in Thousand Oaks. She has a wide variety of special interests in pediatrics, ranging from newborn care to adolescent mental health. Her outside interests include singing, traveling, and outdoor activities.

Need a form completed?

Did you know your child's Annual Physical Exam can be applied to sports and camp forms if it was within the last year?


If your child hasn't had a checkup in the last year, call us or request an appointment through our patient portal TODAY.

We are now an affiliated provider

with the

CHLA Health Network!

We are so excited to be a part of this premier network dedicated exclusively to pediatric care!  Together in collaboration with the Network and Children's Hospital Los Angeles, we are committed to delivering innovative and seemless healthcare for you and your family.



CCMG has the latest vaccines!

Meningitis B vaccine is available.  We recommend it for ages 16 and above, but especially those entering or in college. 

HPV 9 is the latest version of the HPV vaccine.  We recommend it for ages 12 and above.

Call to schedule a visit now!

Ear Piercing

EAR PIERCING NOW AVAILABLE for children ages 6 months and above.  Call or message to schedule an appointment today

Patient Portal

Have you visited our Patient Portal?  It is a great way to manage your child's health even when the office is closed.  Call us for your secure password to log in.  You can send us messages, request refills and appointments, and download medical records (including vaccinations) anytime of the day or night! 


Voted "Winner"


East County 




Voted "Favorite" Pediatrician

East County



Dr. Dog says, "Show your body some LOVE...get a flu vaccine!"

Office Hours

By Appointment Only


Monday - Friday

9:00 am - 5:00 pm



9:00 am - 12:00 pm

Conejo Children's Medical Group

558 N. Ventu Park Rd.

Suite D

Thousand Oaks, CA 91320


Phone  (805) 499-5525

Fax       (805) 499-5554

email: frontoffice@conejochildrens.com


Patient Portal:




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