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

Mrs. Doris Lee Massey-Karsznia, MSN, ANP-BC, RN

Individual provider Adult Health Nurse Practitioner · NPI 1710288097

Mrs. Doris Lee Massey-Karsznia, MSN, ANP-BC, RN is an Adult Health Nurse Practitioner in El Cerrito, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

8306 Terrace Dr
El Cerrito, CA 94530-3061
Phone: (510) 206-0466
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence NP 12243 (CA)

Record details

NPI number1710288097
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , ANP-BC , RN
Sole proprietorYes
NPI enumeratedNovember 3, 2010
Last updated in NPPESNovember 3, 2010