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David Hollis, M

David Hollis, M

Behavioral Sleep Medicine
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David Hollis, M is a behavioral sleep medicine specialist in Islip, NY. He is not accepting new patients.

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About Me

biography

I am licensed in New York with 6 years of professional work experience. I have experience in helping clients with stress and anxiety, sleeping disorders, motivation, self esteem, and confidence, & career difficulties. I believe in treating everyone...read more

  • Behavioral Sleep Medicine

  • Counseling