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

Mrs. Mara Susan Williams

Individual provider Adult Health Nurse Practitioner · NPI 1861544249

Mrs. Mara Susan Williams is an Adult Health Nurse Practitioner in Napa, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

3417 Valle Verde Dr
Napa, CA 94558-2414
Phone: (707) 255-4172
Fax: (707) 255-2605
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 345522 (CA)

Record details

NPI number1861544249
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 17, 2007
Last updated in NPPESMarch 7, 2023

Other providers in Napa