Overview
Mark Johnston is a primary care provider, practicing in Internal Medicine in Dallas, Texas. His top areas of expertise are Sitosterolemia, Multiple System Atrophy, High Cholesterol, and Infant Hyperglycemia.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
Locations
Rheumatology Associates
Stanley Cohen is an Internal Medicine specialist and a Rheumatologist in Dallas, Texas. Dr. Cohen has been practicing medicine for over 50 years is highly rated in 30 conditions, according to our data. His top areas of expertise are Rheumatoid Arthritis (RA), Arthritis, Psoriatic Arthritis, Endoscopy, and Vitrectomy.
Texas Oncology, P.A.
Joyce O'shaughnessy is an Oncologist and an Internal Medicine provider in Dallas, Texas. Dr. O'shaughnessy has been practicing medicine for over 43 years is highly rated in 12 conditions, according to our data. Her top areas of expertise are Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, HER2 Negative Breast Cancer, and Tissue Biopsy.
Robert Harris is a primary care provider, practicing in Internal Medicine in Dallas, Texas. Dr. Harris is highly rated in 15 conditions, according to our data. His top areas of expertise are Dihydrolipoamide Dehydrogenase Deficiency, Pyruvate Dehydrogenase Deficiency, Familial Combined Hyperlipidemia, Xanthoma, and Cardiac Ablation.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Autosomal Dominant Partial Epilepsy with Auditory Features
- BronchitisDr. Johnston isExperienced. Learn about Bronchitis.
- CardiomyopathyDr. Johnston isExperienced. Learn about Cardiomyopathy.
- Cerebellar Multiple System AtrophyDr. Johnston isExperienced. Learn about Cerebellar Multiple System Atrophy.
- Dilated Cardiomyopathy (DCM)Dr. Johnston isExperienced. Learn about Dilated Cardiomyopathy (DCM).
- EmpyemaDr. Johnston isExperienced. Learn about Empyema.