Skip to main content

Dr. Johnston is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Johnston's full profile

Already have an account?

  • Office

    250 Blossom St
    Ste 100
    Webster, TX 77598
    Phone+1 281-724-0190
    Fax+1 281-724-0191

Education & Training

  • University of Texas Medical Branch Hospitals
    University of Texas Medical Branch HospitalsResidency, Family Medicine, 1988 - 1990
  • Penn State Milton S Hershey Medical Center/Hershey
    Penn State Milton S Hershey Medical Center/HersheyInternship, Family Medicine, 1987 - 1988
  • University of Texas Medical Branch School of Medicine
    University of Texas Medical Branch School of MedicineClass of 1987

Certifications & Licensure

  • TX State Medical License
    TX State Medical License 1989 - 2025