North Annex (Katy Office) Clinic

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North Annex (Katy)
22333 Grand Corner Drive
Katy, Texas 77494



Below is the immunization schedule for the Clinical Health Services department at the North Annex in Katy. Days and times are subject to change without prior notice.

*All clinic locations will serve clients by appointment ONLY*

*Please call to make an appointment*

*Walk-ins will be asked to schedule an appointment*

*Clinics are closed daily from 12:00 pm to 1:00 pm*

*Clinics are closed on Saturdays during June, July and August*  

*Clinics are closed on scheduled county holidays*

*A current immunization record is required*

*Minors must be accompanied by a parent or legal guardian*

*Immunization Clinic Schedule for all 3 Clinics [PDF]*

*Horario de la Clínica de Vacunación para las 3 clínicas [PDF]*

Morning Hours Afternoon Hours
Monday & Wednesday 8:30 AM - 11:30 AM

 1:00 PM - 4:30 PM

 Friday  8:00 AM - 12:00 PM  Staff will leave after 12 PM
 3rd Saturday of every month  8:00 AM - 12:00 PM  Staff will leave after 12 PM

Due to recent changes to the Texas Department of State Health Services' Texas Vaccines for Children (TVFC) and Adult Safety Net (ASN) Programs eligibility policy, the following changes are now in effect:

  • Adults covered by insurance can no longer receive vaccines at this clinic. Contact your physician for your vaccine needs.
  • Fully insured children can no longer receive vaccines from the Texas Vaccines for Children (TVFC) program. Contact your physician for their vaccine needs.
  • Children, whose insurance does not cover required vaccines or who are covered by CHIP (Children's Health Insurance Program) or Medicaid, please call our office for more information.
  • Children, who are American Indian or an Alaskan Native, please call our office for more information.


A Current Immunization Record, Minors Must Be Accompanied By Parent Or Legal Guardian With Papers.

If you have any questions or comments or need more information, please don't hesitate to Contact Us.