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

Marissa Bortenstein, LCSW, PLLC

Organization Clinical Social Worker · NPI 1386135192

Marissa Bortenstein, LCSW, PLLC is a Clinical Social Worker in Austin, Texas. Licensed in Texas. Registered with an NPI since 2018.

Licensed in
TX
In the registry since
2018
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

7701 N Lamar Blvd Ste 328
Austin, TX 78752-1080
Phone: (512) 265-5220
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 59315 (TX)

Record details

NPI number1386135192
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marissa Bortenstein — Owner · (512) 265-5220
NPI enumeratedMay 29, 2018
Last updated in NPPESDecember 8, 2021
Certification dateDecember 8, 2021
Mailing addressPo Box 49431, Austin, TX 78765-9431

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