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

Mary Elizabeth Humphreys, RN, BSN, PHN

Individual provider Case Management Registered Nurse · NPI 1558656215

Mary Elizabeth Humphreys, RN, BSN, PHN is a Case Management Registered Nurse in Marysville, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2011
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
BSN — Bachelor of Science in Nursing
A four-year nursing degree.

See every abbreviation used in this directory →

Practice location Address checks out

5730 Packard Ave #100
Marysville, CA 95901-7118
Phone: (530) 749-6492
Show map & directions

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

Specialties & licences

Case Management Registered Nurse (primary) Taxonomy 163WC0400X · Licence 791218 (CA)

Record details

NPI number1558656215
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , BSN , PHN
Sole proprietorYes
NPI enumeratedJune 10, 2011
Last updated in NPPESJune 10, 2011

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