Individual provider Active NPI

Nils Peter Gaddis, DO

  • Internal Medicine Physician
  • Alcoa, TN
National Provider Identifier
1447337696
Registry record updated Oct 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
1563 Issued in TN
Practice address
266 Joule St
Alcoa, TN 37701-2422
Phone
(865) 984-3864
Fax
(865) 380-4095
NPI assigned
Nov 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 27, 2025

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 1563 TN Primary

Addresses

Primary practice location

266 Joule St
Alcoa, TN 37701-2422

Mailing address

300 E McBee Ave FL 4
Greenville, SC 29601-2842

Other identifiers 1

IdentifierTypeStateIssuer
3307939MedicaidTN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
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
I20090615000273 TN Practitioner - Internal Medicine 2163572090 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Arizona College of Osteopathic Medicine Mid Western University, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Blount Memorial Physician Group IncGroup PAC ID 6406844174, 252 clinicians

Practice addresses (Care Compare)

266 Joule St
Alcoa, TN 37701-2422
Phone (865) 984-3864

3614 W Andrew Johnson Hwy
Morristown, TN 37814-3602
Phone (423) 586-9495

405 BMH Physicians Office BLDG
Maryville, TN 37804-5807
Phone (865) 238-6430

425 BMH Physicians
Office BLDG
Maryville, TN 37804-5807
Phone (865) 980-5260

463 BMH Physician
Office BLDG
Maryville, TN 37804-5807
Phone (865) 980-5100

Hospital & facility affiliations

  • Amedisys Home Health Care Home health agency, Knoxville, TN, CCN 447312
  • Prisma Home Health Services Home health agency, Maryville, TN, CCN 447469
  • Blount Memorial Hospital Hospital, Maryville, TN, CCN 440011

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1563TNMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Blount Memorial Physician Group, Inc Internal Medicine CurrentSince Oct 1, 2012 Accepting new patients
Blount Hospitalists PC Past Accepting new patients
East Tennessee Medical Group, PC Internal Medicine Past Accepting new patients
Southside Emergency Associates Past Accepting new patients

Locations

300 E McBee Ave
Fl 4
Greenville, SC 29601
Phone (864) 522-8615

266 Joule St
Alcoa, TN 37701
Phone (865) 984-3864

710 Morganton Square Dr
Maryville, TN 37801
Phone (865) 380-4021

458 Bmh Physicians Office Bldg
Maryville, TN 37804
Phone (865) 980-5355

103 W Broadway Ave
Maryville, TN 37801

907 Lamar Alexander Pkwy
Maryville, TN 37804
Phone (865) 766-8818

463 Bmh Physicians Office Bldg
Maryville, TN 37804
Phone (865) 980-5100

Interoperability endpoints

  • Direct secure messaging: nils.gaddis.p1@direct.bmpg.nextgenshare.com
  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: ngaddis864430@direct.ghs.myhfn.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 and National Provider Directory roles.

Hospital & facility affiliations 3

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": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761523200000",
    "number": "1447337696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 E MCBEE AVE FL 4",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296012842"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "266 JOULE ST",
            "city": "ALCOA",
            "state": "TN",
            "postal_code": "377012422",
            "telephone_number": "865-984-3864",
            "fax_number": "865-380-4095"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GADDIS",
        "first_name": "NILS",
        "middle_name": "PETER",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-10-27",
        "certification_date": "2025-10-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "1563",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3307939",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Alcoa, TN

Sources for this page

Verify at the official NPI Registry.