Dr. William B. Smithy, M.D.


(1 review)
Accepting new patients 16 years of experience


Colon & Rectal Surgery

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Anal Fistula
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Anal Fissure
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Patient Ratings (25)
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Patient Reviews (1)
Apr 16, 2020

I had a true emergency, and this wonderful Doctor took me in immediately, even though I was a new patient. I felt so confident being there on all levels, even at a time when the Corona virus has rendered the public vulnerable to this horrible...

Carole wilk

About Dr. William B. Smithy, M.D.


  • Surgery

Years of Experience

16 years of experience

Languages Spoken

  • English



NPI Number


Education & Certifications

Medical Education

  • Columbia University / College of Physicians And Surgeons


  • St Lukes - Roosevelt Hospital Center at Roosevelt Division


  • Umdnj-Rw Johnson Med Sch

Board Certifications

  • Am Bd Colon&Rectal Surgery
  • Colon & Rectal Surgery


Primary Location Pin Icon

Primary Location

37 Research Way,

East Setauket, NY 11733

StonyBrook Surgical Associates

222 E Main St,

Smithtown, NY 11787


Admitting Hospitals

  • Stony Brook University Hospital

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