Individual provider Active NPI

Angela Gay Demien, PA-C

  • Physician Assistant
  • Portsmouth, NH
National Provider Identifier
1023573268
Registry record updated Dec 4, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
Practice address
8 Greenleaf Woods Dr
Portsmouth, NH 03801-5454
Phone
(603) 749-2346
NPI assigned
Feb 1, 2019
Last updated
Dec 4, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 4, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X NU Primary
Medical Physician Assistant 363AM0700X 1438 NH

Addresses

Primary practice location

8 Greenleaf Woods Dr
Portsmouth, NH 03801-5454

Mailing address

8 Greenleaf Woods Dr # 03801
Portsmouth, NH 03801-5454
Phone (603) 749-2346

Other practice location 1

111 New Hampshire Ave
Portsmouth, NH 03801-2864
Phone (317) 989-4327

Other practice location 2

1 Portsmouth Ave
Stratham, NH 03885-2585
Phone (317) 989-4327

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NH
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
I20190312000361 NH Practitioner - Physician Assistant 5294074159 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

8 Greenleaf Woods Dr
Portsmouth, NH 03801-5454
Phone (603) 422-8208

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1438NHMDGeneral Practice Dentistry

Practice roles

OrganizationSpecialtyStatusNew patients
Greater Seacoast Community Health CurrentSince Sep 8, 2025 Accepting new patients
Greater Seacoast Community Health Current Accepting new patients
Greater Seacoast Community Health CurrentSince Sep 8, 2025 Accepting new patients
Greater Seacoast Community Health Past Accepting new patients

Locations

8 Greenleaf Woods Dr
Portsmouth, NH 03801
Phone (603) 422-8208

8 Greenleaf Woods Dr
Unit 100
Portsmouth, NH 03801
Phone (603) 422-8202

311 Route 108
Somersworth, NH 03878
Phone (603) 422-8208

Interoperability endpoints

  • Direct secure messaging: angela.demien.1@28518.direct.athenahealth.com

Organizations & group practices 4

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

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1548979200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1701648000000",
    "number": "1023573268",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8 GREENLEAF WOODS DR # 03801",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038015454",
            "telephone_number": "603-749-2346"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8 GREENLEAF WOODS DR",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038015454",
            "telephone_number": "603-749-2346"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "111 New Hampshire Ave",
            "address_purpose": "LOCATION",
            "city": "Portsmouth",
            "state": "NH",
            "postal_code": "038012864",
            "country_code": "US",
            "telephone_number": "317-989-4327",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Portsmouth Ave",
            "address_purpose": "LOCATION",
            "city": "Stratham",
            "state": "NH",
            "postal_code": "038852585",
            "country_code": "US",
            "telephone_number": "317-989-4327",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEMIEN",
        "first_name": "ANGELA",
        "middle_name": "GAY",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-02-01",
        "last_updated": "2023-12-04",
        "certification_date": "2023-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NH",
            "license": "1438",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portsmouth, NH

Sources for this page

Verify at the official NPI Registry.