• Patients
  • Business
WellMed
  • Contact us
  • Patient Portal
  • Menu
  • Find a clinic
  • Find a doctor
  • Health services

    Health services

    Providing great health care is our goal.

    • About WellMed
    • Your care team
    • Virtual video visits
    • Clinical program services
    • Specialists for Health
    • Transitional care
    • Services and specialties
    • Extended hours clinics

    Become a WellMed patient

    Our goal is simple, to provide the best care so you can live your best life.

    Request an appointment

  • Patient resources

    Patient resources

    Take a look at what makes WellMed great.

    • Patient portal
    • Patient forms
    • Bill pay
    • WellMed Charitable Foundation
    • Insurance plans accepted
    • Our network
    • Economic Security Assistance

    Become a WellMed patient

    Our goal is simple, to provide the best care so you can live your best life.

    Request an appointment

  • Events & media

    Events

    We bring events to help you connect with your community because your health matters.

    Find events near you

    Media

    • Age healthy now blog
    • Docs in a Pod
    • In the news
    • Our stories

    • How to detect high blood pressure early

      June 17, 2026

    • What can cause low blood pressure?

      June 15, 2026

    • A health guide for older men in Texas: simple steps to stay well

      June 11, 2026

Menu
    • Patient Portal
    • Find a clinic
    • Find a doctor near me
    • Health services
      • Providing great health care is our goal.
        • About WellMed
        • Your care team
        • Virtual video visits
        • Clinical program services
        • Specialists for Health
        • Transitional care
        • Services and specialties
        • Extended hours clinics

        • Become a WellMed patient

          Our goal is simple, to provide the best care so you can live your best life.

          Request an appointment
    • Patient resources
      • Take a look at what makes WellMed great.
        • Patient portal
        • Patient forms
        • Bill pay
        • Wellmed Charitable Foundation
        • Insurance plans accepted
        • Our network
        • Economic Security Assistance

        • Become a WellMed patient

          Our goal is simple, to provide the best care so you can live your best life.

          Request an appointment
    • Events & media

        • Events

          We bring events to help you connect with your community because your health matters.

          Find events near you

        • Media

          Age healthy now blog
        • Docs in a Pod
        • In the news
        • Our stories

          • How to detect high blood pressure early

            June 17, 2026

          • What can cause low blood pressure?

            June 15, 2026

          • A health guide for older men in Texas: simple steps to stay well

            June 11, 2026

Back to search results
Dermatology Associates of San Antonio Store Front

Dermatology Associates of San Antonio

18540 Sigma Rd
San Antonio, TX  78258
Driving Directions

View our clinicians
Call 1-210-490-4661 to schedule

Languages spoken

English
Spanish
Print Email
Call 1-210-490-4661 to schedule

Languages spoken

English
Spanish
Print Email
Print Email

Dermatology Associates of San Antonio
Call location1-210-490-4661
Get directions 18540 Sigma Rd
San Antonio,  TX 78258
Fax number1-210-490-4795
Call location1-210-490-4661
Get directions 18540 Sigma Rd
San Antonio,  TX 78258
Fax number1-210-490-4795

Office Hours

Sunday Closed
Monday 8 a.m. to 5 p.m.
Tuesday 8 a.m. to 5 p.m.
Wednesday 8 a.m. to 5 p.m.
Thursday 8 a.m. to 5 p.m.
Friday 8 a.m. to 5 p.m.
Saturday Closed

Our clinicians

Eloise L. Atkinson-Garza, MD practices Dermatology in San Antonio
Eloise L. Atkinson-Garza, MD
Dermatology
Call 1-210-490-4661 View profile
Lauren Elizabeth Bonomo, MD practices Dermatology in San Antonio
Lauren Elizabeth Bonomo, MD
Dermatology
Call 1-210-490-4661 View profile
Chantal Barland DeVillena, MD practices Dermatology in San Antonio
Chantal Barland DeVillena, MD
Dermatology
Call 1-210-490-4661 View profile
Chad Mitchell Hivnor, MD practices Dermatology in San Antonio
Chad Mitchell Hivnor, MD
Dermatology
Call 1-210-490-4661 View profile
Jason Preissig, MD practices Dermatology in San Antonio
Jason Preissig, MD
Dermatology
Call 1-210-490-4661 View profile
David Lee Shriner, MD practices Dermatology and Micrographic Surgery-MOHS in San Antonio
David Lee Shriner, MD
Dermatology
Call 1-210-490-4661 View profile
Alan Kenneth Silverman, MD practices Dermatology in San Antonio
Alan Kenneth Silverman, MD
Dermatology
Call 1-210-490-4661 View profile
Christina Y. Steinmetz-Rodriguez, DO practices Dermatology in Georgetown and San Antonio
Christina Y. Steinmetz-Rodriguez, DO
Dermatology
Call 1-210-490-4661 View profile
Lisa C. Walker, MD practices Dermatology in San Antonio
Lisa C. Walker, MD
Dermatology
Call 1-210-490-4661 View profile

Patients

  • Patient portal
  • Bill pay
  • Request an appointment
  • Find a doctor
  • Find a clinic
  • Services and specialties library
  • Insurances accepted
  • Patient forms

Physicians

  • Provider portal (Opens in new window)
  • Career opportunities (Opens in new window)
  • Prior authorization requirements (Opens PDF in new window)

Brokers

  • Broker events
  • Broker information center (Opens in new window)

WellMed

  • Contact us
  • About us
  • Careers
  • Notices
  • News
  • Site map

Resources

  • Blog
  • Economic Security Assistance
  • Events
  • Medical coverage policies
  • Medicare information page
  • Language Assistance / Non-Discrimination Notice|
  • Privacy|
  • Terms of use|
  • Texting terms of use|
  • Complaints

WellMed is committed to delivering high-quality, value-based care through coordinated, physician-led teams focused on prevention and patient-centered support.

©2026 WellMed Medical Management Inc. All rights reserved.

Facebook (Opens in new window) LinkedIn (Opens in new window) YouTube (Opens in new window) Instagram (Opens in new window)

Data use: We use cookies and similar tools to make your use of this website easy and to keep it working properly. We may share data about you and how you use the site with third parties, such as analytics and marketing partners. Learn more in our Privacy Policy (Opens in new window) and Terms of Use (Opens in new window). By continuing to use the site, you agree to this.