Individual provider Active NPI

Daniel L Loiselle, MD

  • Internal Medicine Physician
  • Portland, ME
National Provider Identifier
1316906589
Registry record updated Mar 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
014644 Issued in ME
Practice address
84 Marginal Way
Suite 700
Portland, ME 04101
Phone
(207) 774-5816
Fax
(207) 523-8595
NPI assigned
Mar 17, 2006
Last updated
Mar 16, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 014644 ME Primary

Addresses

Primary practice location

84 Marginal Way
Suite 700
Portland, ME 04101

Mailing address

100 Gannett Drive
Suite C
South Portland, ME 04106
Phone (207) 347-2947

Other identifiers 3

IdentifierTypeStateIssuer
2580Z0099MedicaidME
1041117OtherAETNA
030443OtherANTHEM

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050823000902 ME Practitioner - Internal Medicine 7719918390 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Geisel School of Medicine at Dartmouth, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Intermed PAGroup PAC ID 5092605261, 185 clinicians

Practice addresses (Care Compare)

84 Marginal Way
Portland, ME 04101-2443
Phone (207) 774-5816

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
014644MEMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Intermed, PA CurrentSince Oct 23, 2009 Accepting new patients
Intermed, PA Internal Medicine CurrentSince Oct 23, 2009 Accepting new patients
Mainehealth PastSince Jan 1, 2019 Accepting new patients
Intermed, PA Past Accepting new patients

Locations

84 Marginal Way
Portland, ME 04101
Phone (207) 774-5816

84 Marginal Way
Ste 700
Portland, ME 04101
Phone (207) 347-2898

100 Foden Rd
South Portland, ME 04106
Phone (207) 828-1122

100 Foden Rd
Ste 100
South Portland, ME 04106
Phone (207) 874-1489

100 Foden Rd
Ste W-100
South Portland, ME 04106
Phone (207) 523-3900

100 Foden Rd
Ste W-203
South Portland, ME 04106
Phone (207) 523-3900

100 Gannett Dr
Ste C
South Portland, ME 04106
Phone (207) 523-3649

238 Western Ave
South Portland, ME 04106
Phone (207) 767-2174

Interoperability endpoints

  • Direct secure messaging: daniel.loiselle@int.eclinicaldirectplus.com

Ownership & related parties

All facility ownership & control disclosures 24

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Mainehealth Maine Medical CenterPortland, ME, CCN 200009 Hospital Corporate Director Jan 1, 2019
MainehealthSanford, ME, CCN 20S009 Hospital Corporate Director Jan 1, 2019
Mainehealth Behavioral Health at Spring HarborWestbrook, ME, CCN 204005A Hospital Corporate Director Jan 1, 2019
Mainehealth Waldo HospitalBelfast, ME, CCN 201312 Hospital Corporate Director Jan 1, 2019
Mainehealth Waldo Hospital Swing BedBelfast, ME, CCN 20Z312 Hospital Corporate Director Jan 1, 2019
Mainehealth Pen Bay HospitalRockport, ME, CCN 200063 Hospital Corporate Director Jan 1, 2019
Mainehealth Lincoln HospitalDamariscotta, ME, CCN 201302 Hospital Corporate Director Jan 1, 2019
Mainehealth Lincoln Hospital Swing BedDamariscotta, ME, CCN 20Z302 Hospital Corporate Director Jan 1, 2019
Mainehealth Stephens HospitalNorway, ME, CCN 201315 Hospital Corporate Director Jan 1, 2019
Mainehealth Mid Coast HospitalBrunswick, ME, CCN 200021 Hospital Corporate Director Jan 1, 2019
Mainehealth Franklin HospitalFarmington, ME, CCN 201316 Hospital Corporate Director Oct 1, 2023
Mainehealth Franklin HospitalFarmington, ME, CCN 20Z316 Hospital Corporate Director Oct 1, 2023
Mainehealth Pen Bay Hospital Swing BedRockport, ME, CCN 20U063 Hospital Corporate Director Jan 1, 2023
St Andrews VillageBoothbay Harbor, ME, CCN 205158 Skilled nursing facility Corporate Director
Trustee of the SNF
Jan 1, 2019
Jan 1, 2019
Mainehealth Arthur Jewell Health CenterBrooks, ME, CCN 203983 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Stockton Springs Health CenterStockton Springs, ME, CCN 203985 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth John F Andrews Health CenterBoothbay Harbor, ME, CCN 203975 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Waldoboro Health CenterWaldoboro, ME, CCN 208511 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Herbert and Roberta Watson Health CenterDamariscotta, ME, CCN 208510 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Medd Health CenterNorway, ME, CCN 208518 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Ripley Health CenterNorway, ME, CCN 208519 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Livermore Falls Health CenterLivermore Falls, ME, CCN 208525 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Franklin Health CenterFarmington, ME, CCN 208526 Rural health clinic Corporate Director Jan 1, 2019
Mainehealth Mt Blue Health CenterFarmington, ME, CCN 208527 Rural health clinic Corporate Director Jan 1, 2019

Owned or controlled facilities with NPI records 58

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

View all 58

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 42

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

View all 42

NPI Registry JSON

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1316906589",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 GANNETT DRIVE",
            "address_2": "SUITE C",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "04106",
            "telephone_number": "207-347-2947",
            "fax_number": "207-874-2317"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "84 MARGINAL WAY",
            "address_2": "SUITE 700",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "04101",
            "telephone_number": "207-774-5816",
            "fax_number": "207-523-8595"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOISELLE",
        "first_name": "DANIEL",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "014644",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2580Z0099",
            "state": "ME"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "1041117",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "030443",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

Verify at the official NPI Registry.