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

Lina Sierra Castillo

Individual provider Social Worker · NPI 1598425449

Lina Sierra Castillo is a Social Worker in Gaithersburg, Maryland. Registered with an NPI since 2021.

In the registry since
2021

Practice location Address checks out

620 E Diamond Ave Ste H
Gaithersburg, MD 20877-5328
Phone: (301) 840-3200
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1598425449
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedDecember 20, 2021
Last updated in NPPESJanuary 11, 2022
Certification dateJanuary 11, 2022

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