Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Margaret Ann Ernster, RN, MA, LPC, FNP-C

Individual provider Family Nurse Practitioner · NPI 1326357336

MS. Margaret Ann Ernster, RN, MA, LPC, FNP-C is a Family Nurse Practitioner in Glendale, Arizona. Licensed in Arizona. Registered with an NPI since 2010.

Licensed in
AZ
In the registry since
2010
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
MA — Master of Arts
A graduate arts degree.
LPC — Licensed Professional Counselor
A licensed mental health counsellor.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

5141 W Lamar Rd
Glendale, AZ 85301-3423
Phone: (623) 344-6700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN022494 (AZ)

Record details

NPI number1326357336
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , MA , LPC , FNP-C
Sole proprietorNo
NPI enumeratedSeptember 26, 2010
Last updated in NPPESNovember 28, 2011

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