Richard M Gaddis, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1346 Issued in TN

Practice address

418 Marilyn LN
Alcoa, TN 37701-2118

Phone

(865) 984-6203

Fax

(844) 689-0752

NPI assigned

Nov 1, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Specialty

Internal Medicine

Education

University of North Texas HSC, College of Osteopathic Med, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Blount Memorial Physician Group IncGroup PAC ID 6406844174, 252 clinicians

Summit Medical Group, PLLCGroup PAC ID 2860396330, 636 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Amedisys Home Health Care Home health agency, Knoxville, TN, CCN 447312
• Blount Memorial Hospital Hospital, Maryville, TN, CCN 440011
• University Health System, Inc Hospital, Knoxville, TN, CCN 440015

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: richard.gaddis.1@20785.direct.athenahealth.com
• Direct secure messaging: rgaddis886865@direct.ghs.myhfn.org
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: richard.gaddis.p1@direct.bmpg.nextgenshare.com

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.

• Blount Memorial Physician Group, Inc

  • Family Medicine Physician
  • Alcoa, TN
  • NPI 1699710194

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Summit Medical Group, PLLC

  • Internal Medicine Physician
  • Brentwood, TN
  • NPI 1659090298
  Medicare reassignment Care Compare group NPD
• Summit Medical Group, PLLC

  • Family Medicine Physician
  • Greeneville, TN
  • NPI 1114236080
  NPD
• East Tennessee Medical Group, PC

  • Family Medicine Physician
  • Alcoa, TN
  • NPI 1942238902

  Internal Medicine

  NPD (past)
• Summit Medical Group, PLLC

  • Family Medicine Physician
  • Knoxville, TN
  • NPI 1699722470

  Internal Medicine

  NPD (past)

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

• Comprehensive Home Healthcare Services LLC

  • Home Health Agency
  • Knoxville, TN
  • NPI 1710935408
  Care Compare affiliation
• Prisma Health - Blount Memorial Hospital Inc.

  • General Acute Care Hospital
  • Maryville, TN
  • NPI 1619939071
  Care Compare affiliation
• University Health System, Inc.

  • General Acute Care Hospital
  • Knoxville, TN
  • NPI 1538164090
  Care Compare affiliation

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

{
    "created_epoch": "1162339200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1053498204",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1275 DICK LONAS RD",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379091382",
            "telephone_number": "865-584-4747",
            "fax_number": "865-381-1509"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "418 MARILYN LN",
            "city": "ALCOA",
            "state": "TN",
            "postal_code": "377012118",
            "telephone_number": "865-984-6203",
            "fax_number": "844-689-0752"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "266 Joule St",
            "address_purpose": "LOCATION",
            "city": "Alcoa",
            "state": "TN",
            "postal_code": "377012422",
            "country_code": "US",
            "telephone_number": "865-984-3864",
            "fax_number": "865-380-4095",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GADDIS",
        "first_name": "RICHARD",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-01",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "1346",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3854568",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Kristina Frebis
• Jamie French, NP
• Caroline Lucy Fu, MD
• Lauren Ashley Fugate, LPC-MHSP, NCC
• Nils Peter Gaddis, DO
• Roger Dale Gaddis, DO
• Michael P Gallagher, MD
• Ashley Nicole Ganus, DPT
• Hailey Armstrong Gaskin, APN, FNP-C
• John Trenton Gay, D.O.

• Internal Medicine Physician in Alcoa, TN
• Providers in Alcoa, TN by specialty
• Internal Medicine Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.