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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

          • Substance abuse and addiction in older adults: a growing health concern

            Aug. 12, 2026

          • Managing chronic inflammation for better long-term health

            Aug. 12, 2026

          • Can diabetes cause your back to hurt?

            Aug. 10, 2026

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HWCA PLLC Store Front

HWCA PLLC

15890 Southwest Fwy
Ste 400
Sugar Land, TX  77478
Driving Directions

View our clinicians
Call 1-281-242-0767 to schedule

Languages spoken

English
Print Email
Call 1-281-242-0767 to schedule

Languages spoken

English
Print Email
Print Email

HWCA PLLC
Call location1-281-242-0767
Get directions 15890 Southwest Fwy Ste 400
Sugar Land,  TX 77478
Fax number1-281-242-3824
Call location1-281-242-0767
Get directions 15890 Southwest Fwy Ste 400
Sugar Land,  TX 77478
Fax number1-281-242-3824

Office Hours

Sunday Closed
Monday 8:00 a.m. to 5:00 p.m.
Tuesday 8:00 a.m. to 5:00 p.m.
Wednesday 8:00 a.m. to 5:00 p.m.
Thursday 8:00 a.m. to 5:00 p.m.
Friday 8:00 a.m. to 5:00 p.m.
Saturday Closed

Our clinicians

Margaret Ryan Markham, MD practices Obstetrics & Gynecology in Angleton, Houston, and Sugar Land
Margaret Ryan Markham, MD
Obstetrics & gynecology
Call 1-713-795-1000 View profile
Linda Ward Egan, PA practices Physician Assistant in Houston, Pearland, and Sugar Land
Linda Ward Egan, PA
Physician assistant
Call 1-713-795-1000 View profile
Marlene F. Molinar, NP practices Nurse Practitioner in Houston and Sugar Land
Marlene F. Molinar, NP
Nurse practitioner
Call 1-713-795-1000 View profile
Tammi Juanette Watson, NP practices Nurse Practitioner in Houston and Sugar Land
Tammi Juanette Watson, NP
Nurse practitioner
Call 1-713-795-1000 View profile

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

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