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

Mary Ann Williamson, RNFNP

Individual provider Family Nurse Practitioner · NPI 1255756276

Mary Ann Williamson, RNFNP is a Family Nurse Practitioner in Ojai, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014

Practice location Address checks out

207 Church Rd
Ojai, CA 93023-3119
Phone: (805) 646-4386
Fax: (805) 646-9188
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 3148 (CA)

Record details

NPI number1255756276
Entity typeIndividual (Type 1)
GenderFemale
Credentials RNFNP
Sole proprietorNo
NPI enumeratedFebruary 27, 2014
Last updated in NPPESFebruary 27, 2014

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