Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Jacobowitz, MSN, RN, EDD

Individual provider Mental Health Counselor · NPI 1114216520

Dr. William Jacobowitz, MSN, RN, EDD is a Mental Health Counselor in Syosset, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2011
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
EDD — Doctor of Education
A doctorate in education.

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Practice location Address checks out

34 Patricia Ln
Syosset, NY 11791-5824
Phone: (516) 974-3311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 339849-1 (NY)

Record details

NPI number1114216520
Entity typeIndividual (Type 1)
GenderMale
Credentials MSN , RN , EDD
Sole proprietorYes
NPI enumeratedApril 6, 2011
Last updated in NPPESOctober 19, 2011
Mailing address34 Patricia Lane, Syosset, NY 11791

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