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

Rachel Denise O'Brien, CLC

Individual provider Lactation Consultant (Non-RN) · NPI 1154733848

Rachel Denise O'Brien, CLC is a Lactation Consultant (Non-RN) in Sudbury, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

6 Walkup Rd
Sudbury, MA 01776-2349
Phone: (413) 687-0106
Show map & directions

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

Specialties & licences

Lactation Consultant (Non-RN) (primary) Taxonomy 174N00000X

Record details

NPI number1154733848
Entity typeIndividual (Type 1)
GenderFemale
Credentials CLC
Sole proprietorYes
NPI enumeratedMay 29, 2014
Last updated in NPPESMay 29, 2014