Margaret Ernster, RN, MA, LPC, FNP-C
NPI 1326357336 · Family Nurse Practitioner · Glendale, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Ernster, RN, MA, LPC, FNP-C is a Family Nurse Practitioner provider in Glendale, AZ (NPI 1326357336).
Provider details
- NPI number
- 1326357336
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, MA, LPC, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- RN022494 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-09-26
- Last updated
- 2011-11-28
Frequently asked questions
- What is Margaret Ernster's NPI number?
- Margaret Ernster's National Provider Identifier (NPI) is 1326357336, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Ernster's specialty?
- Margaret Ernster is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Ernster located?
- Margaret Ernster's practice location on file with NPPES is 5141 W Lamar Rd, Glendale, AZ 85301-3423.
- What is Margaret Ernster's phone number?
- The practice phone number listed in the NPPES registry for Margaret Ernster is (623) 344-6700.
- Does Margaret Ernster accept Medicare?
- Margaret Ernster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Ernster's NPI active?
- Yes — Margaret Ernster's NPI (1326357336) is active in the NPPES registry as of the last update on 2011-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.