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CHRISTUS Trinity Clinic | Obstetrics & Gynecology | San Marcos ...

OB-GYN • San Marcos, TX

About

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Clinic Type

OB-GYN

Address

1305 Wonder World Dr. Suite 209, San Marcos, TX 78666

Phone

512-353-6400

Email

alleen.mitchener@christushealth.org

Opening Hours

Mon-Fri 8:00 AM – 5:00 PM

Website

https://www.christushealth.org/locations/trinity-clinic-san-marcos-ob-gyn

Telehealth

Virtual Care visits available; New patients welcome

Emergency Care

For life-threatening emergencies, call 911

Services Offered

Obstetrics & Gynecology
Gynecology
Labor and Delivery
Lactation Support
Gynecologic Robotic Surgery
Prevention and women's health
Birth planning
Breast health
Menopause
Infection prevention
Well-woman visits
Birth preparation
Routine gynecological exams

Technology & Equipment

Gynecologic Robotic Surgery

Insurance & Payment

Most major insurance plans are accepted including Medicare and CHRISTUS Health Plan

Cannot confirm specific networks beyond general statement; patient to verify with individual plan/network

AblePay 0% interest payment options

Languages Spoken

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Pricing

Opening hours listed as 8 a.m. – 5 p.m. Monday through Friday at Trinity Clinic location

Photos

What Patients Say

Overall sentiment across review platforms: positive

Birdeye: 5.0 out of 5 stars (4 reviews)
WebMD Care: 5.0 out of 5 stars (2 reviews)
CHRISTUS Health (Dr. Zachary Hamilton): 4.9 out of 5 stars (overall quality of care) (47 reviews)

Patients praise

Professional and compassionate bedside manner
Clear communication and thorough explanations of health conditions
Staff members described as friendly and helpful
Patients feel heard and comfortable during examinations

Common complaints

Concerns regarding follow-up delays for diagnostic tests
Occasional long wait times due to provider availability (e.g., delivering a baby)
Scheduling or child-care policy issues impacting patients

"Dr. Hamilton takes the time to listen and makes you feel very comfortable. He has excellent bedside manner and is the calmest person in the delivery room."

— WebMD Care Review

"I’m so happy I chose this office to work with throughout my pregnancy. The staff is friendly and helpful. They explained everything to me. I felt heard and understood."

— CHRISTUS Health Review

"My experience here was great from the start, however…it took a drastic turn when my life was put on the line... It wasn’t until October when I finally was ... [able to get tests done]."

— Birdeye Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

In the News

Dr. Lauren A. Hermann, DO - OB-GYN in New Braunfels, TX — May 14, 2026
CHRISTUS Santa Rosa shares vision for regional health care with Wimberley community — Jul 16, 2025
CHRISTUS Santa Rosa shares vision for regional health care with Wimberley — Jul 16, 2025
Elizabeth C. Evans - Find a Provider | UT Health San Antonio Patient Care — Apr 20, 2026
Dr. Troy Hailparn, Obstetrician-Gynecologist | San Antonio, TX | WebMD — Feb 5, 2026

Information sourced from the clinic's website as of July 11, 2026.

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