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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

          • How to protect your memory as you age

            June 10, 2026

          • Can you reverse liver fibrosis? What science says about healing your liver

            June 8, 2026

          • Loneliness in old age—finding motivation and connection

            June 3, 2026

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Physicians Unity Store Front

Physicians Unity

4681 College Park Dr
Round Rock, TX  78665
Driving Directions

View our clinicians
Call 1-512-671-1406 to schedule

Languages spoken

English
Spanish
Print Email
Call 1-512-671-1406 to schedule

Languages spoken

English
Spanish
Print Email
Print Email

Physicians Unity
Call location1-512-671-1406
Get directions 4681 College Park Dr
Round Rock,  TX 78665
Fax number1-866-244-2145
Call location1-512-671-1406
Get directions 4681 College Park Dr
Round Rock,  TX 78665
Fax number1-866-244-2145

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

Marcus L. Gitterle, MD practices General Practice in Austin, Kyle, and Luling
Marcus L. Gitterle, MD
General practice
Call 1-830-590-8049 View profile
Molly Dee Heath, NP practices Family Nurse Practitioner in Lakeway and Round Rock
Molly Dee Heath, NP
Family nurse practitioner
Call 1-512-671-1406 View profile
Paul C. Spiller, MD practices Family Medicine in Round Rock
Paul C. Spiller, MD
Family medicine
Call 1-512-671-1406 View profile
Kaiah Blue Walstatter, NP practices Adult Health Nurse Practitioner in Austin and Round Rock
Kaiah Blue Walstatter, NP
Adult health nurse practitioner
Call 1-512-671-1406 View profile
Kimberly Rene Willhoite, NP practices Family Nurse Practitioner in Round Rock
Kimberly Rene Willhoite, NP
Family nurse practitioner
Call 1-512-671-1406 View profile
Yu Zhong, NP practices Family Nurse Practitioner in Austin and Round Rock
Yu Zhong, NP
Family nurse practitioner
Call 1-512-671-1406 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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