Cook Children's Pediatrics
KellerKeller Parkway 
On July 1, 2013 we will be moving to a new location at 1601 Keller Parkway. We will inform all our patient families as construction nears completion. If you have questions, please contact us at 817-431-1450.
At Cook Children's, taking care of kids means including the whole family. We take the time to listen to you and your child, answer questions and help you navigate the "perils" of parenthood.
We're parents too! We know kids when they're at their best... and when they're feeling their worst. Our pediatricians are specialists in the health care of infants, children and adolescents.
We're here to help you with well-child visits, vaccines, illnesses, behavior problems, learning disorders, and to answer questions all parents have at one time or another. If your child has a chronic illness, we're here to provide you with a medical home and make sure he or she gets the attention and care they need.
Together with you, we'll get your kids on the path to leading happy and healthy lives!
Cook Children's Pediatrics – Keller
1601 Keller Parkway Keller, Texas 76248 817-431-1450 817-431-0424 fax 817-347-6866 schedule appointment Driving Directions
Monday-Thursday, 8:30 a.m.-5:30 p.m. Friday, 8:30 a.m.-5:00 p.m.
Closed weekends
Wellness care
Check-ups and physicals
- Well-child visits should be scheduled so your physician can evaluate your child's growth, development and diet.
- Preventive health services include immunizations, lab tests and screenings for hearing, vision and blood pressure. Information and education regarding your child's health and well-being is also available.
- In order to have the best selection of appointment times, we recommend that you schedule check-ups and physicals four to six weeks in advance.
Illness and injury
- Call for an appointment as early as possible and let the receptionist know if your child's problem is urgent.
- We will make every effort to see your child the same day you call.
- Priority will be given to the most urgent problems.
Emergencies
- If your child's injury or illness is an emergency, call our office immediately. A physician will be contacted.
- Please keep your phone line clear so that we may return the call as soon as possible.
- If your emergency is severe, dial 911 for an ambulance or go to the nearest hospital emergency department.
- For possible poisoning call the Poison Control Center at 1.800.222.1222
Refills and re-checks
Medication refills
- Call for medication refills during regular office hours, 8:00 a.m. 5:00 p.m.
- Please allow 24 hours for your child's refill to be completed.
- Plan ahead for refills needed during holidays and vacations.
Re-checks
- Re-checks are for a previously treated illness or injury.
- Ask your doctor if and when a re-check is needed.
Meet our doctors
Our doctors are specialists in the health care of infants, children and adolescents. Our team includes board-certified pediatricians.
- Well and sick care for children from birth to age 18
- Routine immunizations
- Consultations on outpatient and hospitalized patients
- Patient and parent education
- Prenatal consultation
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Sara Y. Garza, M.D.
Dr. Garza earned her medical degree and completed her residency at the Baylor College of Medicine and Baylor Affiliated Hospitals in Houston. Her interests range from early childhood behavior and development to improving the overall health and safety of adolescents. Dr. Garza is board-certified in pediatrics.
View physician biography. |
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Catherine Hampton, D.O.
Dr. Hampton is a doctor of osteopathic medicine who earned her medical degree at the University of North Texas Science Center in Fort Worth. She completed her residency program with Tulane University Medical Center in New Orleans, in conjunction with Tulane Hospital for Children, Ochsner Hospital and Charity Hospital. She enjoys establishing relationships with patient families and has special interests in newborn education and infectious disease. Dr. Hampton is board-certified in pediatrics.
View physician biography. |
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Kim Mangham, M.D.
Dr. Mangham earned her medical degree at University of Texas Southwestern Medical School in Dallas. She completed the pediatric residency program at University of Oklahoma Health Sciences Center in Oklahoma City. Her interests include breastfeeding education as well as disease and injury prevention. Dr. Mangham is board-certified in pediatrics.
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Kimberly S. Matlock, M.D.
Dr. Matlock received her medical degree from University of Texas Medical Branch in Galveston, Texas. She completed her pediatric residency and internship with Baylor Affiliated Hospitals, associated with Baylor College of Medicine in Houston. Her interests range from community education in newborn care to sports medicine for teens. Dr. Matlock is board-certified in pediatrics.
View physician biography. |
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Jason V. Terk, M.D.
Dr. Terk earned his medical degree from University of Texas Medical Branch in Galveston, Texas. He completed his residency in pediatrics at Mayo Graduate School of Medicine (Mayo Clinic) in Rochester, Minnesota. His interests include public policy advocacy for children's health issues, focusing primarily on vaccines. Dr. Terk is board-certified in pediatrics.
View physician biography. |
Office hours and appointments
- Call between 8:30 a.m. – 5:00 p.m., Monday – Friday. We are better able to answer your questions and give you advice when we can have your child's medical records on hand.
- A nurse will take your call, or if one is unavailable, leave a message with a receptionist and a nurse will return your call. Rapid responses are very important to us.
- Routine office visits are by appointment only; we will make every effort to accommodate your needs when your child is ill.
- Please call as soon as possible if you must cancel or reschedule your appointment.
- Our office is closed most holidays, including New Year's Day, July Fourth, Thanksgiving and Christmas.

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Make an appointment at Keller - Keller Parkway
New and existing patients of Cook Children's Keller - Keller Parkway pediatrician office can make an appointment by calling: 817-347-6866
New patients, for your convenience, please have your insurance information ready when you call. |
Fees, payments and insurance
- Fees, insurance co-payment and deductibles are due at each visit.
- Please bring insurance identification to every appointment.
- Let us know when there are changes in insurance coverage, address, employment or phone numbers.
Exchange messages, review and pay bills, request appointments and insurance information through mycookchildrens.org (patient portal)
Patient forms
We know that filling out forms can be time consuming, however, they are a required part of your child's care. For your convenience, we've provided patient information and consent forms here. Just print them out, fill in the information, sign them and bring the completed forms with you when you come in for your appointment.
Cook Children's specialty care services
At Cook Children's, we provide more than 60 pediatric medical and specialty clinic offices throughout Texas.
Continued care
Referrals
- Referrals to a specialist may be made by your doctor. However, no referrals are made until your child has been seen by his or her primary care physician.
- If you are a member of a managed care plan (HMO), a referral form is required for treatment by a specialist. Allow five to seven working days for the referral to be completed and mailed.
After-hours calls
- After office hours, your call will be answered automatically by our answering service. A message will be taken and transferred to the Cook Children's Health Care System nurse triage system. A nurse will return your call as soon as possible, usually within the hour, to offer input about your child's symptoms. In cases of emergency, your pediatrician will be contacted.
- Please limit after-hours calls to those that you feel are truly urgent. Feeding questions, prescription refills or appointment requests are not considered appropriate after-hours calls. Colds, congestion and constipation generally do not warrant after-hours calls.
Checkup resources for you
Why you should get your children's cholesterol checked:

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