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

William Unis, MD

Individual provider Orthopaedic Surgery Physician · NPI 1225198872

William Unis, MD is an Orthopaedic Surgery Physician in Bronxville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

77 Pondfield Rd
Bronxville, NY 10708-3809 Not confirmed with CMS for 16 years — call before visiting
Phone: (914) 793-0999
Fax: (914) 793-7431
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 104483 (NY)

Record details

NPI number1225198872
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 12, 2006
Last updated in NPPESApril 14, 2010

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