Located in Takapuna, Walter van der Merwe has extensive experience in management and diagnostics of hypertension.Hypertension & Nephrology - Walter van der Merwe offers: Treatment of High Blood Pressure Treatment of Hypertension Management of Underlying Secondary or Contributory Causes of Hypertension * * * New Patients Welcome * * *For a friendly consultation and to discuss your needs, visit Hypertension & Nephrology - Walter van der Merwe today!