Overview
William Johnson is a Nephrologist in Frederick, Maryland. Dr. Johnson is rated as an Experienced provider by MediFind in the treatment of Low Potassium Level. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Low Sodium Level, and Acute Kidney Failure.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Additional Areas of Focus
Dr. Johnson has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
The Johns Hopkins Hospital
Dr. Mohamad Hanouneh is an Assistant Professor of Medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include renal medicine. Dr. Hanouneh grew up in Syria and completed his medical school in Tishreen University in Latakia, Syria. He completed Internal Medicine Residency training at Cleveland Clinic, and Nephrology Fellowship at Johns Hopkins. Dr. Hanouneh currently serves as a part-time faculty in the Division of Nephrology at Johns Hopkins. He also works in the Nephrology Center of Maryland covering Good Samaritan and Upper Chesapeake Hospitals. Dr. Hanouneh has a passion in medical education. He runs the nephrology board review course and participates in Genes to Society Course of Renal Physiology, which is given to the medical students at Johns Hopkins University School of Medicine. His area of interests are electrolytes disorders, diabetic kidney disease and nephrolithiasis. Dr. Hanouneh is rated as a Distinguished provider by MediFind in the treatment of Low Potassium Level. His top areas of expertise are Low Potassium Level, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, and High Potassium Level.
Arohan Subramanya is a Nephrologist in Baltimore, Maryland. Dr. Subramanya is rated as an Advanced provider by MediFind in the treatment of Low Potassium Level. His top areas of expertise are Low Potassium Level, Bartter Syndrome, Low Sodium Level, and Fabry Disease.
University Of Maryland Physicians PA
Matthew Weir is a Nephrologist in Baltimore, Maryland. Dr. Weir is rated as an Elite provider by MediFind in the treatment of Low Potassium Level. His top areas of expertise are High Potassium Level, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Kidney Transplant, and Nephrectomy. Dr. Weir is currently accepting new patients.
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
- Distinguished
- Acute Kidney FailureDr. Johnson isDistinguished. Learn about Acute Kidney Failure.
- Chronic Kidney DiseaseDr. Johnson isDistinguished. Learn about Chronic Kidney Disease.
- End-Stage Renal Disease (ESRD)Dr. Johnson isDistinguished. Learn about End-Stage Renal Disease (ESRD).
- Low Sodium LevelDr. Johnson isDistinguished. Learn about Low Sodium Level.
- Advanced
- Autosomal Dominant Polycystic Kidney Disease
- NephrosclerosisDr. Johnson isAdvanced. Learn about Nephrosclerosis.
- Polycystic Kidney DiseaseDr. Johnson isAdvanced. Learn about Polycystic Kidney Disease.
- Renovascular HypertensionDr. Johnson isAdvanced. Learn about Renovascular Hypertension.
- Experienced
- Acute Tubular NecrosisDr. Johnson isExperienced. Learn about Acute Tubular Necrosis.
- Diabetic NephropathyDr. Johnson isExperienced. Learn about Diabetic Nephropathy.
- Gitelman SyndromeDr. Johnson isExperienced. Learn about Gitelman Syndrome.
- High Potassium LevelDr. Johnson isExperienced. Learn about High Potassium Level.
- Low Potassium LevelDr. Johnson isExperienced. Learn about Low Potassium Level.
- NecrosisDr. Johnson isExperienced. Learn about Necrosis.

