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

Isabel R. De Master, LCSW

Individual provider Mental Health Counselor · NPI 1881614725

Isabel R. De Master, LCSW is a Clinical Social Worker in Waldwick, New Jersey. Qualified in 1970, 56 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
56
Licensed in
NJ
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

71 Franklin Tpke Fl 2 Ste 4
Waldwick, NJ 07463-1851
Phone: (201) 447-1220
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 44SC00128800 (NJ)

Record details

NPI number1881614725
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 21, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1970 (56 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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