Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Sommer

Individual provider Psychiatry Physician · NPI 1811047988

William Sommer is a Psychiatry Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007

Practice location Address checks out

9 W 10th St 2nd Fl
New York, NY 10011-8748 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 260-0999
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 103506 (NY)

Record details

NPI number1811047988
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 11, 2007
Last updated in NPPESJuly 8, 2007

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