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

Judith Barker Mastick, RN, MN, FNP-C

Individual provider Family Nurse Practitioner · NPI 1447490081

Judith Barker Mastick, RN, MN, FNP-C is a Family Nurse Practitioner in San Francisco, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

2 Koret Way N631J
San Francisco, CA 94143-0610
Phone: (415) 476-5503
Fax: (415) 476-8899
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 RN#334173, NP#5547 (CA)

Record details

NPI number1447490081
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , MN , FNP-C
Sole proprietorNo
NPI enumeratedFebruary 23, 2009
Last updated in NPPESFebruary 23, 2009

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