Individual provider Active NPI

Shawn McMahon, PHYSICIAN ASSISTANT

  • Surgical Physician Assistant
  • Brunswick, ME
National Provider Identifier
1083786552
Registry record updated Oct 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Physician AssistantTaxonomy code 363AS0400X
License
PA001204 Issued in ME
Practice address
123 Medical Center Dr Ste 2550
Brunswick, ME 04011-2652
Phone
(207) 373-1707
Fax
(207) 808-7802
NPI assigned
Nov 14, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Physician Assistant 363AS0400X PA001204 ME Primary

Addresses

Primary practice location

123 Medical Center Dr Ste 2550
Brunswick, ME 04011-2652

Mailing address

2 Quarry Rd
Brunswick, ME 04011-7330
Phone (207) 344-8925

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
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
I20101101000135 ME Practitioner - Physician Assistant 6002918547 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
George Washington University School of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

121 Medical Ctr Dr
Suite 2550
Brunswick, ME 04011-2681
Phone (207) 373-1707

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
PA001204MEMDSurgical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth CurrentSince Jun 26, 2023 Accepting new patients
Mainegeneral Medical Center CurrentSince Mar 1, 2014 Accepting new patients
Mainehealth CurrentSince Jun 26, 2023 Accepting new patients
Maine Medical Partners CurrentSince Jun 26, 2023 Accepting new patients
Mainegeneral Medical Center CurrentSince Mar 1, 2014 Accepting new patients
Maine Medical Partners Surgical CurrentSince Jun 26, 2023 Accepting new patients
Mainehealth Past Accepting new patients

Locations

35 Medical Center Pkwy
Augusta, ME 04330
Phone (207) 621-3639

37 Gray Birch Dr
Augusta, ME 04330
Phone (207) 621-7100

123 Medical Center Dr
Ste 2550
Brunswick, ME 04011
Phone (207) 373-1707

121 Medical Center Dr
Ste 2550
Brunswick, ME 04011
Phone (207) 373-1707

887 Congress St
Ste 210
Portland, ME 04102
Phone (207) 774-2381

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

887 Congress St
Portland, ME 04102
Phone (207) 662-5522

149 North St
Waterville, ME 04901
Phone (207) 622-1959

Interoperability endpoints

  • Direct secure messaging: smcmahon31618@direct.mmc.mainehealth.org

Organizations & group practices 8

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.

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": "1163462400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761696000000",
    "number": "1083786552",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 QUARRY RD",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040117330",
            "telephone_number": "207-344-8925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "123 MEDICAL CENTER DR STE 2550",
            "city": "BRUNSWICK",
            "state": "ME",
            "postal_code": "040112652",
            "telephone_number": "207-373-1707",
            "fax_number": "207-808-7802"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMAHON",
        "first_name": "SHAWN",
        "credential": "PHYSICIAN ASSISTANT",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-14",
        "last_updated": "2025-10-29",
        "certification_date": "2025-10-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "ME",
            "license": "PA001204",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brunswick, ME

Sources for this page

Verify at the official NPI Registry.