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

Ashley Slonim, FNP

Individual provider Family Nurse Practitioner · NPI 1326334145

Ashley Slonim, FNP is a Family Nurse Practitioner in Walnut Creek, California. Licensed in California and New York. Registered with an NPI since 2011.

Licensed in
CA, NY
In the registry since
2011
Specialties on file
2
What do these letters mean?
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

738 Bancroft Rd
Walnut Creek, CA 94598-1531
Phone: (866) 389-2727
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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 95003856 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 336574 (NY)

Record details

NPI number1326334145
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJune 20, 2011
Last updated in NPPESAugust 23, 2021
Certification dateAugust 23, 2021

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