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

Lisa C Van Oossanen, LCSW

Individual provider Mental Health Counselor · NPI 1538743430

Lisa C Van Oossanen, LCSW is a Clinical Social Worker in Lawrence, Massachusetts. Qualified in 2013, 13 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
13
Licensed in
OR
In the registry since
2021
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

439 S Union St Ste 203B
Lawrence, MA 01843-2837
Phone: (978) 687-5852
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 L10525 (OR)

Record details

NPI number1538743430
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMay 7, 2021
Last updated in NPPESMay 7, 2021
Certification dateMay 7, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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