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. Chang's expertise for a condition
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- Distinguished
- BoilsDr. Chang isDistinguished. Learn about Boils.
- CarbuncleDr. Chang isDistinguished. Learn about Carbuncle.
- Enlarged Prostate (BPH)Dr. Chang isDistinguished. Learn about Enlarged Prostate (BPH).
- Familial Prostate CancerDr. Chang isDistinguished. Learn about Familial Prostate Cancer.
- FolliculitisDr. Chang isDistinguished. Learn about Folliculitis.
- Kidney StonesDr. Chang isDistinguished. Learn about Kidney Stones.
- Muscle Invasive Bladder CancerDr. Chang isDistinguished. Learn about Muscle Invasive Bladder Cancer.
- Obstructive UropathyDr. Chang isDistinguished. Learn about Obstructive Uropathy.
- Perirenal AbscessDr. Chang isDistinguished. Learn about Perirenal Abscess.
- Prostate CancerDr. Chang isDistinguished. Learn about Prostate Cancer.
- UPJ ObstructionDr. Chang isDistinguished. Learn about UPJ Obstruction.
- Urinary Tract Infection (UTI)Dr. Chang isDistinguished. Learn about Urinary Tract Infection (UTI).
- Urinary Tract Infection in ChildrenDr. Chang isDistinguished. Learn about Urinary Tract Infection in Children.
View All 13 Distinguished Conditions
- Advanced
- AcrospiromaDr. Chang isAdvanced. Learn about Acrospiroma.
- Bacterial ProstatitisDr. Chang isAdvanced. Learn about Bacterial Prostatitis.
- BalanitisDr. Chang isAdvanced. Learn about Balanitis.
- Bilateral HydronephrosisDr. Chang isAdvanced. Learn about Bilateral Hydronephrosis.
- Bladder CancerDr. Chang isAdvanced. Learn about Bladder Cancer.
- Bladder StonesDr. Chang isAdvanced. Learn about Bladder Stones.
- EmpyemaDr. Chang isAdvanced. Learn about Empyema.
- EpididymitisDr. Chang isAdvanced. Learn about Epididymitis.
- Frequent or Urgent UrinationDr. Chang isAdvanced. Learn about Frequent or Urgent Urination.
- HydronephrosisDr. Chang isAdvanced. Learn about Hydronephrosis.
- Neurogenic BladderDr. Chang isAdvanced. Learn about Neurogenic Bladder.
- Non-Muscle Invasive Bladder Cancer
- Nonbacterial ProstatitisDr. Chang isAdvanced. Learn about Nonbacterial Prostatitis.
- UreteroceleDr. Chang isAdvanced. Learn about Ureterocele.
- UreteroscopyDr. Chang isAdvanced. Learn about Ureteroscopy.
- Urinary IncontinenceDr. Chang isAdvanced. Learn about Urinary Incontinence.
- Urothelial CancerDr. Chang isAdvanced. Learn about Urothelial Cancer.
- VaricoceleDr. Chang isAdvanced. Learn about Varicocele.
View All 18 Advanced Conditions
- Experienced
- Chromophobe Renal Cell CarcinomaDr. Chang isExperienced. Learn about Chromophobe Renal Cell Carcinoma.
- Clear Cell SarcomaDr. Chang isExperienced. Learn about Clear Cell Sarcoma.
- Eosinophilic CystitisDr. Chang isExperienced. Learn about Eosinophilic Cystitis.
- Eunuchoidism Familial Hypogonadotropic
- Familial Wilms Tumor 2Dr. Chang isExperienced. Learn about Familial Wilms Tumor 2.
- Hereditary Paraganglioma-Pheochromocytoma Syndrome
- HydroceleDr. Chang isExperienced. Learn about Hydrocele.
- Hypogonadism Primary Partial AlopeciaDr. Chang isExperienced. Learn about Hypogonadism Primary Partial Alopecia.
- HypospadiasDr. Chang isExperienced. Learn about Hypospadias.
- Intussusception in ChildrenDr. Chang isExperienced. Learn about Intussusception in Children.
- MalakoplakiaDr. Chang isExperienced. Learn about Malakoplakia.
- Male Genital SoresDr. Chang isExperienced. Learn about Male Genital Sores.
- Male Pseudohermaphroditism with Gynecomastia
- NephrectomyDr. Chang isExperienced. Learn about Nephrectomy.
- ParaphimosisDr. Chang isExperienced. Learn about Paraphimosis.
- Peyronie DiseaseDr. Chang isExperienced. Learn about Peyronie Disease.
- Premature EjaculationDr. Chang isExperienced. Learn about Premature Ejaculation.
- PriapismDr. Chang isExperienced. Learn about Priapism.
- ProstatectomyDr. Chang isExperienced. Learn about Prostatectomy.
- Reconstructive Urology SurgeryDr. Chang isExperienced. Learn about Reconstructive Urology Surgery.
- Renal Cell Carcinoma (RCC)Dr. Chang isExperienced. Learn about Renal Cell Carcinoma (RCC).
- Retroperitoneal FibrosisDr. Chang isExperienced. Learn about Retroperitoneal Fibrosis.
- Scrotal MassesDr. Chang isExperienced. Learn about Scrotal Masses.
- Scrotal SwellingDr. Chang isExperienced. Learn about Scrotal Swelling.
- Sertoli Cell-Only SyndromeDr. Chang isExperienced. Learn about Sertoli Cell-Only Syndrome.
- Stress Urinary IncontinenceDr. Chang isExperienced. Learn about Stress Urinary Incontinence.
- Testicle LumpDr. Chang isExperienced. Learn about Testicle Lump.
- Testicular FailureDr. Chang isExperienced. Learn about Testicular Failure.
- Upper Tract Urothelial Carcinoma (UTUC)
- Urethral StrictureDr. Chang isExperienced. Learn about Urethral Stricture.
- Wilms TumorDr. Chang isExperienced. Learn about Wilms Tumor.
- WT1-Related Wilms Tumor SyndromesDr. Chang isExperienced. Learn about WT1-Related Wilms Tumor Syndromes.
View All 32 Experienced Conditions
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