Individual provider Active NPI

Ernalyn C Montgomery, MSN, FNP, PMHNP-BC

  • Psychiatric/Mental Health Nurse Practitioner
  • Irvine, CA
National Provider Identifier
1942455597
Registry record updated Feb 21, 2020
On this page

OIG exclusion record

The HHS Office of Inspector General’s List of Excluded Individuals/Entities (LEIE) contains a record with this NPI:

  • Section 1128b(4) exclusion effective Mar 19, 2026.

Matched on NPI only. Confirm current status with the OIG exclusions search before relying on it.

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
14445 Issued in CA
Practice address
34 Executive Park Ste 275
Irvine, CA 92614-4708
Phone
(949) 229-0323
NPI assigned
Nov 24, 2008
Last updated
Feb 21, 2020By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 21, 2020

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 14445 CA
Family Nurse Practitioner 363LF0000X AP2317 AZ
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 14445 CA Primary

Addresses

Primary practice location

34 Executive Park Ste 275
Irvine, CA 92614-4708

Mailing address

34 Executive Park Ste 275
Irvine, CA 92614-4708
Phone (949) 229-0323

Other practice location 1

19200 Von Karman Ave Ste 600
Irvine, CA 92612-8516
Phone (949) 229-0323

Other practice location 2

2001 E 4th St Ste 200
Santa Ana, CA 92705-3916
Phone (714) 824-8140 ext. 105

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.
Credentials
Master of Science - Nursing, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
AP2317AZMDFamily Nurse Practitioner
14445CAMDFamily Nurse Practitioner

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1227484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1582243200000",
    "number": "1942455597",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 EXECUTIVE PARK STE 275",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926144708",
            "telephone_number": "949-229-0323"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34 EXECUTIVE PARK STE 275",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926144708",
            "telephone_number": "949-229-0323"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19200 Von Karman Ave Ste 600",
            "address_purpose": "LOCATION",
            "city": "Irvine",
            "state": "CA",
            "postal_code": "926128516",
            "country_code": "US",
            "telephone_number": "949-229-0323",
            "fax_number": "949-225-4465",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2001 E 4th St Ste 200",
            "address_purpose": "LOCATION",
            "city": "Santa Ana",
            "state": "CA",
            "postal_code": "927053916",
            "country_code": "US",
            "telephone_number": "714-824-8140 x105",
            "fax_number": "714-824-8142",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MONTGOMERY",
        "first_name": "ERNALYN",
        "middle_name": "C",
        "credential": "MSN, FNP, PMHNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-11-24",
        "last_updated": "2020-02-21",
        "certification_date": "2020-02-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "14445",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AZ",
            "license": "AP2317",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CA",
            "license": "14445",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Irvine, CA

Sources for this page

Verify at the official NPI Registry.