Welcome! The team at Corridor Primary Care Pediatrics is pleased to welcome you to our office.

At Corridor Primary Care Pediatrics, our pediatricians offer effective and individualized treatments to correct various medical conditions. Our board-certified physicians have broad experience in pediatrics.

We offer a variety of services including newborn care, school and sports physicals, well child visits, ADHD & autism support.

We know how hectic life can be and are committed to making our practice convenient and accessible. And we want you to feel confident that when you choose, you're working with doctors and other professionals who are qualified, experienced and caring. We invite you to call our office anytime to request an appointment or ask any questions.


Eat Your Greens with Dr. Black


Eat Your Greens with Dr. Black is the ultimate podcast dedicated to Plant-Based Nutrition for the Whole Family. Join Corridor’s own Dr. Angela Black as she dives into the realm of fostering healthy eating habits that will lay a strong foundation for your children’s lifelong well-being.

Listen to the Eat Your Greens with Dr. Black podcast on all major streaming platforms, or visit the show website: www.eatgreenswithdrblack.com

Contact Us for an appointment

Access your Patient Portal here

Our Physicians

  • .
    Michael Grady M.D., F.A.A.P.

    B.A. Cornell University

    University of Texas - Houston

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  • .
    Julie Fisher M.D., F.A.A.P.

    Born in San Marcos, Texas
    Under grad:Texas A&M Univ. Corpus Christi.Bachelor of Science in Biomedical Science 2007
    Medical School: Texas A&M Health Science Center - College of Medicine M.D. 2012
    Internship and Residency: UT Health Science Center San Antonio 2015
    Corridor locations: San Marcos and Kyle
    Board Certified
    Hospital affiliations: CTMC and Seton

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  • .
    Michelle Miller M.D., F.A.A.P.

    University of Michigan
    Baylor College of Medicine in Houston
    University of North Carolina in Chapel Hill

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  • .
    Angela Black M.D., F.A.A.P.

    University of Texas at Arlington
    University of Texas Health Science Center

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  • .
    Meghan Dupre M.D., F.A.A.P.

    B. S. Lamar University Beaumon, Tx
    Medical school: University of Texas Medical School at Houston (McGovern Medical School)
    University of Texas Health Science Center at Houston
    Location: San Marcos and Kyle

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  • .
    Nicole Hannemann Hartman M.D., F.A.A.P.

    Undergraduate Education: Texas Tech University B.S. in Biology with Chemistry minor, Summa Cum Laude with Honors. B.S. in History, Summa Cum Laude with honors.
    Medical School: Baylor College of Medicine
    Residency: Baylor College of Medicine Houston, Tx Corridor
    Locations: San Marcos office Hospital Affiliations: CTMC and Seton Family of Hospitals
    Certifications: American Board of Pediatrics

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  • .
    Sheila Boes M.D., F.A.A.P

    Undergraduate Education: Mississippi College, Clinton, MS
    Medical School: The University of Mississippi Medical Center, Jackson, MS
    Residency: Austin Pediatric Education Program, Austin, TX
    Certifications: American Board of Pediatrics, fellow of AAP, REACH certi

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  • .
    Jennigale Webb D.O., F.A.A.P

    Undergrad Education: University of Texas at Austin, BA in Plan II Honors and English
    Medical School: University of North Texas Health Science Center, Fort Worth, TX
    Residency: University of Arkansas Medical Sciences, Little Rock, AR
    Certifications: American Board of Pediatrics, Fellow of AAP

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  • .
    Nikki C. Quesada CPNP-PC

    Nikki Quesada has been a Pediatric Nurse Practitioner since 2018. Before that, she was a science teacher and coach in the surrounding area. She loves working with little ones and their families and helping them to understand their health and wellness. She was born and raised in Texas and graduated with her master's from the University of Texas at Austin, hook 'em!! She loves to spend time with her family being active outdoors and/or enjoying music and dancing.

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  • .
    Tambrein S. Bates M.D., F.A.A.P

    Tambrein S. Bates is a dedicated pediatrician who graduated from the University of Texas Medical Branch in Galveston (UTMB) in 2021 and completed his pediatrics residency training at UTMB in 2024. Passionate about maintaining a healthy and active lifestyle, he enjoys Brazilian jiu jitsu and hiking in his free time. Dr. Bates is happily married to his wife, Victoria, and he is looking forward to raising his family in the great state of Texas.

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  • .
    Alexa Lohrstorfer

    Alexa has been a nurse since 2016, working in pediatric critical and primary care. She loves building relationships with families as their kiddos grow. She is a Texas native, living in San Antonio. She enjoys exploring local parks, unwinding with a good book and going to the beach.

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  • .
    Jonathan Linder NP

    Jonathan Linder is a Board-Certified Family Nurse Practitioner through the American Academy of Nurse Practitioners. He received his Master’s in Science in Nursing from Texas A&M University in Corpus Christi. 

    Before he was a Nurse Practitioner, Jonathan was a registered nurse at North East Baptist Hospital in San Antonio for 7 years where he cared for adults with all manner of heart and vascular conditions. 

    Click here to learn more

Patient Testimonials



Our Regular Schedule

San Marcos Location

Monday  

8:30 am - 5:00 pm

Tuesday  

8:30 am - 5:00 pm

Wednesday  

8:30 am - 5:00 pm

Thursday  

8:30 am - 5:00 pm

Friday  

8:30 am - 5:00 pm

Saturday  

Acute Care Only 08:30 AM - 12:00 PM

Sunday  

Closed

Our Regular Schedule

Kyle Location

Monday  

8:30 am - 5:00 pm

Tuesday  

8:30 am - 5:00 pm

Wednesday  

8:30 am - 5:00 pm

Thursday  

8:30 am - 5:00 pm

Friday  

8:30 am - 5:00 pm

Saturday  

Closed

Sunday  

Closed