Second Mountain Internal Medicine P.C.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

SECOND MOUNTAIN INTERNAL MEDICINE P.C.

Practice address

758 Buckfield Rd
Hebron, ME 04238-3261

Phone

(860) 305-3438

NPI assigned

Jul 11, 2025

Organization subpart

No

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

Authorized official

Name

Dr. John Charles Matulis III, DO, MPHNPI 1891013140

Title

Physician Owner

Phone

(860) 305-3438

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in ME

Enrollment records 1

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• John Charles Matulis III, D.O.

  • Internal Medicine Physician
  • Rochester, MN
  • NPI 1891013140

  Internal Medicine, ME

  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1752192000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1753833600000",
    "number": "1629969332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "758 BUCKFIELD RD",
            "city": "HEBRON",
            "state": "ME",
            "postal_code": "042383261"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "758 BUCKFIELD RD",
            "city": "HEBRON",
            "state": "ME",
            "postal_code": "042383261",
            "telephone_number": "860-305-3438"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SECOND MOUNTAIN INTERNAL MEDICINE P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-07-11",
        "last_updated": "2025-07-30",
        "certification_date": "2025-07-30",
        "status": "A",
        "authorized_official_last_name": "MATULIS",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "CHARLES",
        "authorized_official_title_or_position": "PHYSICIAN OWNER",
        "authorized_official_telephone_number": "860-305-3438",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_name_suffix": "III",
        "authorized_official_credential": "DO, MPH"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hebron Academy Incorporated
• Linda S Arsenault
• Eleanor Rose Schwaner Pike, M.A., CCC-SLP
• Meagan Nicole Richardson, PTA
• Katherine J. Rideout, L.C.S.W., M.S.W.
• Step Stone Therapy

• All providers in Hebron, ME
• Internal Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.