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

Dr. Mary Ann Shinnick, PHD, ACNP, CNS

Individual provider Acute Care Nurse Practitioner · NPI 1750932018

Dr. Mary Ann Shinnick, PHD, ACNP, CNS is an Acute Care Nurse Practitioner in Sierra Madre, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

1110 Arno Dr
Sierra Madre, CA 91024-1511
Phone: (626) 991-2912
Show map & directions

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

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 8478 (CA)

Record details

NPI number1750932018
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , ACNP , CNS
Sole proprietorNo
NPI enumeratedSeptember 26, 2019
Last updated in NPPESSeptember 26, 2019