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

Mackenzie Ann Obrien, NP

Individual provider Nurse Practitioner · NPI 1861123937

Mackenzie Ann Obrien, NP is a Nurse Practitioner in Palo Alto, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

725 Welch Rd
Palo Alto, CA 94304-1614
Phone: (650) 497-8000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Critical Care Pediatric Nurse Practitioner (primary) Taxonomy 363LP0222X · Licence 95020956 (CA)
Nurse Practitioner Taxonomy 363L00000X · Licence 95020956 (CA)

Record details

NPI number1861123937
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJune 21, 2022
Last updated in NPPESSeptember 6, 2023
Certification dateSeptember 6, 2023

Other providers in Palo Alto