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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. William Portnoy:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. William Portnoy, Otolaryngologist, Plastic Surgeon, Surgeon is Good. Dr. Portnoy has been reviewed by 20 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 4.0
Courteous Staff 4.5
Accurate Diagnosis 4.3
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 4.2

Specialties & Research

  • He has special expertise in 1 area:
  • Head and Neck Cancer

Education & Awards

Dr. Portnoy graduated from G Washington Univ Sch Med & Hlth Sci. He has 5 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2010 - 2015)
Patients' Choice 5th Anniversary Award (2012 - 2013)
Patients' Choice Award (2008 - 2013, 2015)
Compassionate Doctor Recognition (2010, 2012)
On-Time Doctor Award (2015)


Dr. Portnoy has 6 hospital affiliations:

  • Beth Israel Medical Center Petrie Division 
  • St. Luke's Roosevelt Hospital/St. Luke's Hospital Division 


  • English
  • Chinese
  • Cantonese
  • Spanish

> > > > Dr. William Portnoy, MD

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Additional Information
Dr. William Marshall Portnoy MD is a male Plastic Surgeon, has 25 years of experience and practices in Plastic Surgery.
Where does Dr. William M. Portnoy practice?
Dr. William Portnoy has 1 office location.
Dr. William Portnoy practices Plastic Surgery near New York, NY.
See New York Surgeons.