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

Dr. William J Assante, MD

Individual provider Internal Medicine Physician · NPI 1629179379

Dr. William J Assante, MD is an Internal Medicine Physician in Cortlandt Manor, New York. Licensed in New York. Registered with an NPI since 2006.

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

1985 Crompond Rd Bldg D
Cortlandt Manor, NY 10567-4146
Phone: (914) 739-6550
Fax: (914) 739-4575
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 185848 (NY)

Record details

NPI number1629179379
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 26, 2006
Last updated in NPPESSeptember 3, 2013

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