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

MS. Teresa Louise Charlesworth, RNC, MSN, FNP

Individual provider Registered Nurse · NPI 1750444089

MS. Teresa Louise Charlesworth, RNC, MSN, FNP is a Registered Nurse in Santa Ana, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1400 N Main St
Santa Ana, CA 92701-2321
Phone: (714) 541-6815
Fax: (714) 541-8032
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 10422 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 429304 (CA)

Record details

NPI number1750444089
Entity typeIndividual (Type 1)
GenderFemale
Credentials RNC , MSN , FNP
Sole proprietorNo
NPI enumeratedDecember 18, 2006
Last updated in NPPESJune 29, 2011

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