Siobhan Maureen Arey, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

3542 Issued in NH

Practice address

330 Borthwick Ave Ste 303
Portsmouth, NH 03801-7109

Phone

(603) 431-5205

Fax

(603) 436-4257

NPI assigned

Oct 10, 2017

Last updated

Sep 30, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 4

Medicare fee-for-service enrollment

Enrolled in ME, NH2 enrollments

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 2

Specialty

Physician Assistant

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy HospitalGroup PAC ID 6103737812, shared by 2 NPIs, 307 clinicians

Forefront Dermatology - New Hampshire, PLLCGroup PAC ID 8729449152, 10 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northern Light Mercy Hospital Hospital, Portland, ME, CCN 200008
• Portsmouth Regional Hospital Hospital, Portsmouth, NH, CCN 300029

Merit-based Incentive Payment System (MIPS)

Final score

90.65 of 100Reported as group

Promoting interoperability

89

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

81.67 of 100Reported as group

Quality

60.7

Promoting interoperability

91

Improvement activities

40

Cost

73.8

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sarey@optima.emadirect.md
• Direct secure messaging: siobhan.arey@forefrontdermatology.emadirect.md

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.

• Forefront Dermatology - New Hampshire, PLLC

  dba Seacoast Dermatology, A Forefront Dermatology Practice

  • Dermatology Physician
  • Dover, NH
  • NPI 1295422707
  Medicare reassignment Care Compare group
• Mercy Hospital

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1629078712
  Medicare reassignment
• Optima Dermatology LLC

  • Dermatology Physician
  • Boardman, OH
  • NPI 1831187764

  ME

  Medicare reassignment
• St. Mary's Regional Medical Center

  • General Acute Care Hospital
  • Lewiston, ME
  • NPI 1447226584
  Medicare reassignment
• Mercy Hospital

  dba Mercy Medical Associates

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1427313048
  NPD
• St. Mary's Regional Medical Center

  dba St. Mary's Urgent Care

  • Urgent Care Clinic/Center
  • Auburn, ME
  • NPI 1407242522
  NPD

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

• HCA Health Services of New Hampshire Inc

  dba Portsmouth Regional Hospital

  • General Acute Care Hospital
  • Portsmouth, NH
  • NPI 1518913607
  Care Compare affiliation
• Mercy Hospital

  dba Mercy Medical Associates

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1427313048
  Care Compare affiliation
• Mercy Hospital

  • General Acute Care Hospital
  • Portland, ME
  • NPI 1629078712
  Care Compare affiliation

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

{
    "created_epoch": "1507593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1962912428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 YORK ST",
            "city": "MANITOWOC",
            "state": "WI",
            "postal_code": "542204630",
            "telephone_number": "920-663-9008",
            "fax_number": "920-684-1439"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BORTHWICK AVE STE 303",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038017109",
            "telephone_number": "603-431-5205",
            "fax_number": "603-436-4257"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "750 CENTRAL AVE STE O",
            "address_purpose": "LOCATION",
            "city": "DOVER",
            "state": "NH",
            "postal_code": "038203434",
            "country_code": "US",
            "telephone_number": "603-431-5205",
            "fax_number": "603-436-4257",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Hampton Rd Unit 208",
            "address_purpose": "LOCATION",
            "city": "Exeter",
            "state": "NH",
            "postal_code": "038334849",
            "country_code": "US",
            "telephone_number": "603-431-5205",
            "fax_number": "603-436-4257",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "278 LAFAYETTE RD BLDG E",
            "address_purpose": "LOCATION",
            "city": "PORTSMOUTH",
            "state": "NH",
            "postal_code": "038015455",
            "country_code": "US",
            "telephone_number": "603-431-5205",
            "fax_number": "603-436-4257",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AREY",
        "first_name": "SIOBHAN",
        "middle_name": "MAUREEN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-10-10",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "ME",
            "license": "PA2023",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "ME",
            "license": "PA2023",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NH",
            "license": "3542",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Siobhan.Arey@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "278 LAFAYETTE RD BLDG E",
            "city": "PORTSMOUTH",
            "state": "NH",
            "country_code": "US",
            "postal_code": "038015455",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Siobhan.Arey@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "750 CENTRAL AVE STE O",
            "city": "DOVER",
            "state": "NH",
            "country_code": "US",
            "postal_code": "038203434",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Siobhan.Arey@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "330 BORTHWICK AVE STE 303",
            "city": "PORTSMOUTH",
            "state": "NH",
            "country_code": "US",
            "postal_code": "038017109",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Siobhan.Arey@forefrontdermatology.emadirect.md",
            "affiliation": "N",
            "address_1": "1 Hampton Rd Unit 208",
            "city": "Exeter",
            "state": "NH",
            "country_code": "US",
            "postal_code": "038334849",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Appledore Medical Group, Inc.
• Appledore Medical GRP II, Inc. (Coastal Cardiothoracic and Vascular Associates)
• Apria Healthcare LLC
• Arc of New Hampshire, LLC
• Janet Lynn Archambault, MSN, ARNP, BSN
• Lauren Ann Armfield, M.A., CCC-SLP
• Arms Wide Open NH LLC
• Samantha Arnold
• Arrigo Orthodontics, PC (Watterworth and Arrigo Orthodontics)
• Michael Philip Arrigo II, DMD

• Physician Assistant in Portsmouth, NH
• Providers in Portsmouth, NH by specialty
• Physician Assistant in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.