NPIMap

Individual provider Active NPI

Ryan J Trosper, PA

  • Physician Assistant
  • Gorham, ME
National Provider Identifier
1609139161
Registry record updated Nov 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA1448 Issued in ME
Practice address
575 Main St
Gorham, ME 04038-2623
Phone
(207) 839-2559
Fax
(207) 523-1135
NPI assigned
Jun 20, 2012
Last updated
Nov 6, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 6, 2026

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 PA1448 ME Primary
Physician Assistant 363A00000X NY

Addresses

Primary practice location

575 Main St
Gorham, ME 04038-2623

Mailing address

PO Box 9746
Portland, ME 04104-5040
Phone (207) 791-3888

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ryan.trosper.1@5857.direct.athenahealth.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20140918001774 ME Practitioner - Physician Assistant 8729239595 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mercy HospitalGroup PAC ID 6103737812, 307 clinicians

Practice addresses (Care Compare)

40 Park Rd
Westbrook, ME 04092-3188
Phone (207) 857-8174

Hospital & facility affiliations

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

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Hospital CurrentSince Jun 17, 2019 Accepting new patients
Portland Community Health Center CurrentSince Aug 2, 2016 Accepting new patients
Spectrum Healthcare Partners, P.a. PastSince Nov 2, 2026 Accepting new patients
Mercy Hospital Past Accepting new patients

Locations

93 Campus Ave
Lewiston, ME 04240
Phone (207) 755-3715

180 Park Ave
Portland, ME 04102
Phone (207) 772-3703

195 Fore River Pkwy
Ste 120
Portland, ME 04102
Phone (207) 415-4841

40 Park Rd
Westbrook, ME 04092
Phone (207) 857-8174

Interoperability endpoints

  • Direct secure messaging: rtrosper@oswegohealth.hiemail.healtheconnections.org

Organizations & group practices 5

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 38

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

View all 38

NPI Registry JSON

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

{
    "created_epoch": "1340150400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1793923200000",
    "number": "1609139161",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9746",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041045040",
            "telephone_number": "207-791-3888",
            "fax_number": "207-874-2164"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "575 MAIN ST",
            "city": "GORHAM",
            "state": "ME",
            "postal_code": "040382623",
            "telephone_number": "207-839-2559",
            "fax_number": "207-523-1135"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TROSPER",
        "first_name": "RYAN",
        "middle_name": "J",
        "name_prefix": "Mr.",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-20",
        "last_updated": "2026-11-06",
        "certification_date": "2026-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "ME",
            "license": "PA1448",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ryan.trosper.1@5857.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "575 Main St",
            "city": "Gorham",
            "state": "ME",
            "country_code": "US",
            "postal_code": "040382623",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Gorham, ME

Sources for this page

Verify at the official NPI Registry.