Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ernalyn C Montgomery, MSN, FNP, PMHNP-BC

Individual provider Family Nurse Practitioner · NPI 1942455597

Ernalyn C Montgomery, MSN, FNP, PMHNP-BC is a Family Nurse Practitioner in Irvine, California. Practices as a sole proprietor and works from 3 locations. Licensed in Arizona and California.

Licensed in
AZ, CA
In the registry since
2008
Specialties on file
3
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

34 Executive Park Ste 275
Irvine, CA 92614-4708
Phone: (949) 229-0323
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 19200 Von Karman Ave Ste 600, Irvine, CA 92612-8516 — (949) 229-0323
  • 2001 E 4th St Ste 200, Santa Ana, CA 92705-3916 — (714) 824-8140

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 14445 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 14445 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence AP2317 (AZ)

Record details

NPI number1942455597
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP , PMHNP-BC
Sole proprietorYes
NPI enumeratedNovember 24, 2008
Last updated in NPPESFebruary 21, 2020
Certification dateFebruary 21, 2020

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