Internal Medicine
Serving our patients through
the science of medicine and
the art of healing.
Dr. Johnston
Mark
Johnston, M.D.
Mark Johnston, M.D. is Board Certified by the American Board of Internal Medicine.
About Me
I enjoy working closely with patients to improve their health.
I live in Dallas with my family.
Learn more about Dr. Johnston's qualifications.
Click here.
Learn more about our onsite services.
Click here.
- Specialty
Internal Medicine - Medical School
University of Texas Southwestern Medical School Dallas, Texas - Residency
Banner Good Samaritan Medical Center / Carl T. Hayden VA Medical Center
Phoenix, Arizona
- Memberships
Dallas County Medical Society, Texas Medical Association, American Medical Association, American College of Physicians
NCQA Diabetes Recognition
Recognized for providing the highest-level of diabetes care
Location Information
MCNT Dallas North
7515 Greenville Ave., Suite 600
Dallas, Texas 75231
Phone - (214) 361-5432
Fax - (214) 363-8710
Hours
Monday - Friday
8 a.m. - 5 p.m.
Closed daily from noon to 1 p.m.
Click here for a photo, map of this location and exact driving directions.
In selecting a personal doctor, have you considered a physician who specializes in ADULT healthcare?
Doctors of Internal Medicine are trained in the prevention and treatment of adult diseases. They can serve your medical needs throughout your life, from as early as the teens (age 16) through the "senior" years.
Our doctors of Internal Medicine focus on prevention and early detection of catastrophic illnesses. They can provide screening and treatment of cholesterol disorders, heart disease, hypertension, diabetes, osteoporosis, thyroid disorders and cancer.
Annual health exams and routine sick visits can be handled by our internists, with many clinics offering same-day appointments when you are ill.
To learn more about Internal Medicine, please visit the American Board of Internal Medicine at http://www.abim.org/.
Hospital Affiliations
Serving our patients through the science of medicine and the art of healing.
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