
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. Janssen's expertise for a condition
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- Distinguished
- Invertebral Disc DiseaseDr. Janssen isDistinguished. Learn about Invertebral Disc Disease.
- Advanced
- Foot DropDr. Janssen isAdvanced. Learn about Foot Drop.
- SciaticaDr. Janssen isAdvanced. Learn about Sciatica.
- ScoliosisDr. Janssen isAdvanced. Learn about Scoliosis.
- Spinal StenosisDr. Janssen isAdvanced. Learn about Spinal Stenosis.
- Experienced
- Aromatic L-Amino Acid Decarboxylase (AADC) Deficiency
- BursitisDr. Janssen isExperienced. Learn about Bursitis.
- Caudal Regression SyndromeDr. Janssen isExperienced. Learn about Caudal Regression Syndrome.
- Cervical MyelopathyDr. Janssen isExperienced. Learn about Cervical Myelopathy.
- Cervical SpondylosisDr. Janssen isExperienced. Learn about Cervical Spondylosis.
- Chiari Malformation Type 2Dr. Janssen isExperienced. Learn about Chiari Malformation Type 2.
- Common Peroneal Nerve DysfunctionDr. Janssen isExperienced. Learn about Common Peroneal Nerve Dysfunction.
- Distal Median Nerve DysfunctionDr. Janssen isExperienced. Learn about Distal Median Nerve Dysfunction.
- Dopa-Responsive DystoniaDr. Janssen isExperienced. Learn about Dopa-Responsive Dystonia.
- Facet Joint SyndromeDr. Janssen isExperienced. Learn about Facet Joint Syndrome.
- Familial Multiple LipomatosisDr. Janssen isExperienced. Learn about Familial Multiple Lipomatosis.
- Familial Paroxysmal Nonkinesigenic Dyskinesia
- Fractured SpineDr. Janssen isExperienced. Learn about Fractured Spine.
- Herniated DiskDr. Janssen isExperienced. Learn about Herniated Disk.
- NeuralgiaDr. Janssen isExperienced. Learn about Neuralgia.
- Sacroiliac Joint DiseaseDr. Janssen isExperienced. Learn about Sacroiliac Joint Disease.
- Spondylocarpotarsal Synostosis SyndromeDr. Janssen isExperienced. Learn about Spondylocarpotarsal Synostosis Syndrome.
- SyringobulbiaDr. Janssen isExperienced. Learn about Syringobulbia.
- SyringomyeliaDr. Janssen isExperienced. Learn about Syringomyelia.
- TendinitisDr. Janssen isExperienced. Learn about Tendinitis.
View All 20 Experienced Conditions
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