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. Portnoy's expertise for a condition
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- Distinguished
- Gastroesophageal Reflux Disease (GERD)Dr. Portnoy isDistinguished. Learn about Gastroesophageal Reflux Disease (GERD).
- Laryngeal Nerve DamageDr. Portnoy isDistinguished. Learn about Laryngeal Nerve Damage.
- LaryngitisDr. Portnoy isDistinguished. Learn about Laryngitis.
- Nonallergic RhinopathyDr. Portnoy isDistinguished. Learn about Nonallergic Rhinopathy.
- OzenaDr. Portnoy isDistinguished. Learn about Ozena.
- Painful SwallowingDr. Portnoy isDistinguished. Learn about Painful Swallowing.
View All 12 Distinguished Conditions
- Advanced
- Autonomic NeuropathyDr. Portnoy isAdvanced. Learn about Autonomic Neuropathy.
- Burning Mouth SyndromeDr. Portnoy isAdvanced. Learn about Burning Mouth Syndrome.
- CamptocormismDr. Portnoy isAdvanced. Learn about Camptocormism.
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- DFNB1Dr. Portnoy isAdvanced. Learn about DFNB1.
- Dry MouthDr. Portnoy isAdvanced. Learn about Dry Mouth.
View All 29 Advanced Conditions
- Experienced
- Acoustic NeuromaDr. Portnoy isExperienced. Learn about Acoustic Neuroma.
- Allergic RhinitisDr. Portnoy isExperienced. Learn about Allergic Rhinitis.
- AnosmiaDr. Portnoy isExperienced. Learn about Anosmia.
- Aphthous StomatitisDr. Portnoy isExperienced. Learn about Aphthous Stomatitis.
- Aseptic and Alopecic Nodules of Scalp (AANS)
- Auditory Neuropathy Spectrum DisorderDr. Portnoy isExperienced. Learn about Auditory Neuropathy Spectrum Disorder.
View All 43 Experienced Conditions
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