
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. Zak's expertise for a condition
ConditionClose
- Elite
- Restless Legs Syndrome
- Distinguished
- Obstructive Sleep ApneaDr. Zak isDistinguished. Learn about Obstructive Sleep Apnea.
- Periodic Limb Movement DisorderDr. Zak isDistinguished. Learn about Periodic Limb Movement Disorder.
- Advanced
- CAPOS SyndromeDr. Zak isAdvanced. Learn about CAPOS Syndrome.
- InsomniaDr. Zak isAdvanced. Learn about Insomnia.
- REM Behavior DisorderDr. Zak isAdvanced. Learn about REM Behavior Disorder.
- Experienced
- Central Sleep ApneaDr. Zak isExperienced. Learn about Central Sleep Apnea.
- DeliriumDr. Zak isExperienced. Learn about Delirium.
- DrowsinessDr. Zak isExperienced. Learn about Drowsiness.
- Excessive Daytime SleepinessDr. Zak isExperienced. Learn about Excessive Daytime Sleepiness.
- Irregular Sleep-Wake SyndromeDr. Zak isExperienced. Learn about Irregular Sleep-Wake Syndrome.
- MenopauseDr. Zak isExperienced. Learn about Menopause.
View All 10 Experienced Conditions
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