Individual provider Active NPI

Erin Nicole Brosamer, PA-C, CAQ-PSYCH

  • Medical Physician Assistant
  • Orange, CA
National Provider Identifier
1710534359
Registry record updated Nov 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
License
PA57436 Issued in CA
Practice address
1310 W Stewart Dr Ste 306
Orange, CA 92868-3838
Phone
(714) 545-5550
Fax
(714) 363-3761
NPI assigned
Aug 19, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 19, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Clinical Nurse Specialist 364SP0808X PA57436 CA
Medical Physician Assistant 363AM0700X PA57436 CA Primary

Addresses

Primary practice location

1310 W Stewart Dr Ste 306
Orange, CA 92868-3838

Mailing address

19782 Macarthur Blvd Ste 300
Irvine, CA 92612-2417
Phone (714) 545-5550

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210810001966 CA Practitioner - Physician Assistant 4284038449 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Pacific Neuropsychiatric Specialists IncGroup PAC ID 3375796170, 70 clinicians

Practice addresses (Care Compare)

1310 W Stewart Dr
Suite 306
Orange, CA 92868-3838
Phone (714) 545-5550

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA57436CAMDMedical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Market Pharmacy LLC PastSince Sep 5, 2023 Accepting new patients
Hoag Hospital PastSince Nov 30, 2023 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: eortiz@pnsi-ca.direct.office.nextgen.com

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1566172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1710534359",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19782 MACARTHUR BLVD STE 300",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926122417",
            "telephone_number": "714-545-5550",
            "fax_number": "949-991-2040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1310 W STEWART DR STE 306",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683838",
            "telephone_number": "714-545-5550",
            "fax_number": "714-363-3761"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROSAMER",
        "first_name": "ERIN",
        "middle_name": "NICOLE",
        "credential": "PA-C, CAQ-PSYCH",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-08-19",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "364SP0808X",
            "taxonomy_group": "",
            "desc": "Clinical Nurse Specialist, Psychiatric/Mental Health",
            "state": "CA",
            "license": "PA57436",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "CA",
            "license": "PA57436",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.