Ernalyn Montgomery, MSN, FNP, PMHNP-BC
NPI 1942455597 · Psychiatric/Mental Health Nurse Practitioner · Irvine, CA
Ernalyn Montgomery, MSN, FNP, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Irvine, CA (NPI 1942455597).
Provider details
- NPI number
- 1942455597
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP, PMHNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 14445 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 19200 Von Karman Ave Ste 600Irvine, CA 92612-8516Phone: (949) 229-0323Fax: (949) 225-4465
- 2001 E 4th St Ste 200Santa Ana, CA 92705-3916Phone: (714) 824-8140Fax: (714) 824-8142
Registry dates
- Enumerated
- 2008-11-24
- Last updated
- 2020-02-21
- Certified
- 2020-02-21
Frequently asked questions
- What is Ernalyn Montgomery's NPI number?
- Ernalyn Montgomery's National Provider Identifier (NPI) is 1942455597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernalyn Montgomery's specialty?
- Ernalyn Montgomery is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ernalyn Montgomery located?
- Ernalyn Montgomery's practice location on file with NPPES is 34 Executive Park Ste 275, Irvine, CA 92614-4708.
- What is Ernalyn Montgomery's phone number?
- The practice phone number listed in the NPPES registry for Ernalyn Montgomery is (949) 229-0323.
- Is Ernalyn Montgomery's NPI active?
- Yes — Ernalyn Montgomery's NPI (1942455597) is active in the NPPES registry as of the last update on 2020-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.