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. Hollen's expertise for a condition
ConditionClose
- Advanced
- Breast CancerDr. Hollen isAdvanced. Learn about Breast Cancer.
- Metastatic Brain TumorDr. Hollen isAdvanced. Learn about Metastatic Brain Tumor.
- Posterior Fossa TumorDr. Hollen isAdvanced. Learn about Posterior Fossa Tumor.
- Primitive Neuroectodermal Tumor (PNET)
- Tongue CancerDr. Hollen isAdvanced. Learn about Tongue Cancer.
- Experienced
- Anal CancerDr. Hollen isExperienced. Learn about Anal Cancer.
- AngiosarcomaDr. Hollen isExperienced. Learn about Angiosarcoma.
- AstrocytomaDr. Hollen isExperienced. Learn about Astrocytoma.
- Atypical Teratoid Rhabdoid Tumor (ATRT)Dr. Hollen isExperienced. Learn about Atypical Teratoid Rhabdoid Tumor (ATRT).
- Bone TumorDr. Hollen isExperienced. Learn about Bone Tumor.
- Brain TumorDr. Hollen isExperienced. Learn about Brain Tumor.
View All 28 Experienced Conditions
Want to save this doctor for later?
Is this your doctor?
Not sure about your diagnosis?
Are you the provider on this profile?