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

Luis Alberto Sierra Jr.

Individual provider Psychologist · NPI 1205699139

Luis Alberto Sierra Jr. is a Psychologist in Waltham, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2024.

In the registry since
2024

Practice location Address checks out

17 Robbins St Apt 2-2
Waltham, MA 02453-3998
Phone: (305) 479-1216
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1205699139
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 2, 2024
Last updated in NPPESFebruary 2, 2024
Certification dateFebruary 2, 2024

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