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

Joann Dumas, FNP

Individual provider Registered Nurse · NPI 1902987126

Joann Dumas, FNP is a Registered Nurse in Castro Valley, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

19850 Lake Chabot Rd
Castro Valley, CA 94546-4002
Phone: (510) 582-8555
Fax: (510) 581-8686
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence NPF10862 (CA)

Record details

NPI number1902987126
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 17, 2006
Last updated in NPPESJuly 16, 2007

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