NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary Ann Shinnick, PHD, ACNP, CNS

Acute Care Nurse Practitioner in Sierra Madre, CA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1750932018

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Mary Ann Shinnick
Credential PHD, ACNP, CNS
Sex Female
Practice address 1110 Arno Dr, Sierra Madre, CA, 91024
Enumeration date Sep 26, 2019
Last updated in NPPES Sep 26, 2019

Taxonomy & licenses

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 8478 (CA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier Type State Issuer
8478 Other CA CALIFORNIA NP FURNISHING NUMBER
8478 Other CA NP FURNISHING NUMBER

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Mary Shinnick?
The National Provider Identifier (NPI) for Mary Shinnick is 1750932018, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Shinnick practice?
The practice location on file with NPPES is in Sierra Madre, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-26.