At Cook Children's, we do it all for kids. But 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 here to help you with well-child visits, illnesses, behavior problems, learning disorders, or just to answer the questions that all parents have at one time or another. Together we'll get your kids on the path to good health and help you raise happy, well-adjusted children.
Location
3801 William D. Tate, Ste. 200
Grapevine, TX 76051
817-416-6644
Driving Directions
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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Sandra Arca, M.D., FAAP
Dr. Arca received her undergraduate degree in biomedical science from Texas A&M University in College Station, Texas. She earned her medical degree from the University of Texas Health Science Center in Houston, Texas and completed her internship and residency at Vanderbilt University Children's Hospital in Nashville, Tenn. She is board-certified in pediatrics and has been with Cook Children's Physician Network since 1999.
View physician biography. |
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Melanie Harston, D.O.
Dr. Harston received her medical degree from the College of Osteopathic Medicine at Oklahoma State University in Stillwater, Oklahoma. She completed her pediatric residency at Baylor College of Medicine in Houston, Texas. Dr. Harston is board-certified in pediatrics.
View physician biography. |
Office hours and appointments
- Call between 8:30 a.m. – 5 p.m., Mon – Fri. We are better able to answer your questions and give you advice when we have your child's medical records on hand. We do not use a phone tree so you will always to talk a person. The receptionist will take a message and a nurse will get back with you as soon as possible. A rapid response is very important to us.
- Well child 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 need to cancel or reschedule your appointment.
- Our office is closed on holidays.

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Make an appointment
New and existing patients can make an appointment by calling our office at: 817-347-6863
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