Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Nicholas Thong Au, MSN, APRN, AGACNP-BC

Individual provider Critical Care Medicine Registered Nurse · NPI 1407588858

Mr. Nicholas Thong Au, MSN, APRN, AGACNP-BC is a Critical Care Medicine Registered Nurse in Covina, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2022
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

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Practice location Address checks out

235 E Badillo St
Covina, CA 91723-2116
Phone: (626) 915-4700
Fax: (626) 214-7814
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 95036173 (CA)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 95275145 (CA)

Record details

NPI number1407588858
Entity typeIndividual (Type 1)
GenderMale
Credentials MSN , APRN , AGACNP-BC
Sole proprietorYes
NPI enumeratedJune 24, 2022
Last updated in NPPESAugust 21, 2025
Certification dateAugust 21, 2025