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

MS. Lisa A Williamson, RN, NP

Individual provider Obstetrics & Gynecology Nurse Practitioner · NPI 1841571908

MS. Lisa A Williamson, RN, NP is an Obstetrics & Gynecology Nurse Practitioner in Whittier, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

14350 Whittier Blvd
Whittier, CA 90605-2138
Phone: (562) 945-3707
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Nurse Practitioner (primary) Taxonomy 363LX0001X · Licence 20466 (CA)

Record details

NPI number1841571908
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , NP
Sole proprietorNo
NPI enumeratedSeptember 2, 2011
Last updated in NPPESSeptember 2, 2011
Mailing address14350 Whittier Blvd, Whittier, CA 90605-2138

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