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

Mary M Mercer, MSN, RN, PHN

Individual provider Perinatal Registered Nurse · NPI 1154982478

Mary M Mercer, MSN, RN, PHN is a Perinatal Registered Nurse in Bakersfield, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2019
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 →

Practice location Address checks out

1800 Mount Vernon Ave
Bakersfield, CA 93306-3302
Phone: (661) 204-9685
Show map & directions

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

Specialties & licences

Perinatal Registered Nurse (primary) Taxonomy 163WP1700X · Licence 593068 (CA)

Record details

NPI number1154982478
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN , PHN
Sole proprietorYes
NPI enumeratedJune 26, 2019
Last updated in NPPESJune 26, 2019