Welcome to Our Practice

We are scheduling well checks and sports physicals now! Please call to make an appointment. 

At Corridor Primary Care, our skilled team of Pediatric and Internal Medicine physicians offer comprehensive medical care for your entire family. Conveniently located in the heart of San Marcos, with a Pediatric satellite office in Kyle, our courteous and knowledgeable staff works hard from first contact to make every visit to our office positive.

Whether it's your first visit to our office, or just a routine well visit, we strive to make sure you and your family are always comfortable and informed. We take the time to talk with you to help us understand your needs, and we equip you with the knowledge necessary for promoting a lifetime of optimal health and wellness.

To help you get acquainted with our practice, we have provided the important information you need on our website. Please browse tl1ese pages to learn more about our skilled doctors, services, office details, commonly asked questions, and new patient forms.

When you choose Corridor Primary Care, you can feel confident that you are teaming with knowledgeable, compassionate doctors who have dedicated their careers to providing excellent health care. Please do not hesitate to contact our office with questions or concerns. Our Pediatric and Internal Medicine physicians along with our caring staff look forward to meeting you and your family.

Corridor Primary Care Pediatrics- San Marcos Location

Corridor Primary Care Pediatrics- Kyle Location

Our Physicians


Sue Ann Harrison, M.D., F.A.A.P.
Michael Grady, M.D., F.A.A.P.
Jeanne Flinn, D.O., F.A.A.P.
Ivri Messinger, D.O., F.A.A.P.
Jill Humphrey, M.D., Ph.D., F.A.A.P.
Michelle Miller, M.D., F.A.A.P.
Rhonda Deschner, M.D, F.A.A.P.
Angela Black, M.D., F.A.A.P.
Noelle Williams, D.O.
Julie Fisher M.D.
Meghan Dupre' MD
Angela Davis, R.N., M.S.N., C.P.N.P.
Nicole Hartman, M.D., F.A.A.P.

Internal Medicine

Greg Moore, M.D., F.A.C.P.
Rebecca Shively, R.N., F.N.P.-B.C.
Larry Beville, R.N., N.P.-C.



  • "They are the best! Anytime my son is sick, I call and they get him in on the same day!! Great staff!!!"
    - Kaila W.

Contact Us

Corridor Primary Care Pediatric Offices

601B Leah Avenue
San Marcos, TX 78666

4221 Benner Rd, #205
Kyle, Texas 78640

Corridor Primary Care Internal Medicine Office

601A Leah Avenue
San Marcos, TX 78666