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
Find Dr. Johnsen's expertise for a condition
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- Elite
- Urethral StrictureDr. Johnsen isElite. Learn about Urethral Stricture.
- Advanced
- Bladder CancerDr. Johnsen isAdvanced. Learn about Bladder Cancer.
- Bladder Outlet ObstructionDr. Johnsen isAdvanced. Learn about Bladder Outlet Obstruction.
- Erectile Dysfunction (ED)Dr. Johnsen isAdvanced. Learn about Erectile Dysfunction (ED).
- Familial Prostate CancerDr. Johnsen isAdvanced. Learn about Familial Prostate Cancer.
- Intussusception in ChildrenDr. Johnsen isAdvanced. Learn about Intussusception in Children.
- Muscle Invasive Bladder CancerDr. Johnsen isAdvanced. Learn about Muscle Invasive Bladder Cancer.
- Non-Muscle Invasive Bladder CancerDr. Johnsen isAdvanced. Learn about Non-Muscle Invasive Bladder Cancer.
- Peyronie DiseaseDr. Johnsen isAdvanced. Learn about Peyronie Disease.
- Prostate CancerDr. Johnsen isAdvanced. Learn about Prostate Cancer.
- Retroperitoneal FibrosisDr. Johnsen isAdvanced. Learn about Retroperitoneal Fibrosis.
- Stress Urinary IncontinenceDr. Johnsen isAdvanced. Learn about Stress Urinary Incontinence.
- Urinary IncontinenceDr. Johnsen isAdvanced. Learn about Urinary Incontinence.
- Urothelial CancerDr. Johnsen isAdvanced. Learn about Urothelial Cancer.
View All 13 Advanced Conditions
- Experienced
- Bilateral HydronephrosisDr. Johnsen isExperienced. Learn about Bilateral Hydronephrosis.
- Bladder ReconstructionDr. Johnsen isExperienced. Learn about Bladder Reconstruction.
- BoilsDr. Johnsen isExperienced. Learn about Boils.
- CarbuncleDr. Johnsen isExperienced. Learn about Carbuncle.
- EndoscopyDr. Johnsen isExperienced. Learn about Endoscopy.
- Enlarged Prostate (BPH)Dr. Johnsen isExperienced. Learn about Enlarged Prostate (BPH).
- FolliculitisDr. Johnsen isExperienced. Learn about Folliculitis.
- Frequent or Urgent UrinationDr. Johnsen isExperienced. Learn about Frequent or Urgent Urination.
- HydroceleDr. Johnsen isExperienced. Learn about Hydrocele.
- HydronephrosisDr. Johnsen isExperienced. Learn about Hydronephrosis.
- Kidney StonesDr. Johnsen isExperienced. Learn about Kidney Stones.
- LithotripsyDr. Johnsen isExperienced. Learn about Lithotripsy.
- MalakoplakiaDr. Johnsen isExperienced. Learn about Malakoplakia.
- Neurogenic BladderDr. Johnsen isExperienced. Learn about Neurogenic Bladder.
- Obstructive UropathyDr. Johnsen isExperienced. Learn about Obstructive Uropathy.
- Penile CancerDr. Johnsen isExperienced. Learn about Penile Cancer.
- Perirenal AbscessDr. Johnsen isExperienced. Learn about Perirenal Abscess.
- Premature EjaculationDr. Johnsen isExperienced. Learn about Premature Ejaculation.
- PriapismDr. Johnsen isExperienced. Learn about Priapism.
- ProstatectomyDr. Johnsen isExperienced. Learn about Prostatectomy.
- Reconstructive Urology SurgeryDr. Johnsen isExperienced. Learn about Reconstructive Urology Surgery.
- UPJ ObstructionDr. Johnsen isExperienced. Learn about UPJ Obstruction.
- UreteroscopyDr. Johnsen isExperienced. Learn about Ureteroscopy.
- Urinary Tract Infection (UTI)Dr. Johnsen isExperienced. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Johnsen isExperienced. Learn about Urinary Tract Infection in Children.
View All 25 Experienced Conditions
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