Konstantinos Marino Triantafillou, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

50994 Issued in TN

Practice address

1600 Accelerator Way Ste 200
Knoxville, TN 37920-3078

Phone

(865) 546-2663

Fax

(865) 546-9047

NPI assigned

May 12, 2009

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

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

Orthopedic Surgery

Education

Georgetown University School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Orthotennessee PCGroup PAC ID 3476453572, 152 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University Health System, Inc Hospital, Knoxville, TN, CCN 440015
• Blount Memorial Hospital Hospital, Maryville, TN, CCN 440011

Merit-based Incentive Payment System (MIPS)

Final score

85.88 of 100Reported as group

Quality

81.99

Promoting interoperability

100

Improvement activities

40

Cost

70.94

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kostas.triantafillou.p1@direct.orthotn.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.

• Orthotennessee, PC

  • Multi-Specialty Clinic/Center
  • Knoxville, TN
  • NPI 1518049592
  Medicare reassignment Care Compare group NPD
• Orthotennessee, PC

  • Durable Medical Equipment & Medical Supplies
  • Sevierville, TN
  • NPI 1013450360

  Orthopaedic Surgery

  NPD
• Orthotennessee, PC

  • Orthopaedic Surgery Physician
  • Oak Ridge, TN
  • NPI 1366533127
  NPD
• CC Bpci PLC

  • Orthopaedic Surgery Physician
  • Germantown, TN
  • NPI 1881387330
  NPD (past)
• Orthotennessee, PC

  • Orthopaedic Surgery Physician
  • Knoxville, TN
  • NPI 1053402040
  NPD (past)
• Orthotennessee, PC

  • Multi-Specialty Clinic/Center
  • Knoxville, TN
  • NPI 1669554549
  NPD (past)

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

• 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": "1242086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1073747598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8320 E WALKER SPRINGS LN STE 200",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379233120",
            "telephone_number": "865-769-4500",
            "fax_number": "865-769-4501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1600 ACCELERATOR WAY STE 200",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379203078",
            "telephone_number": "865-546-2663",
            "fax_number": "865-546-9047"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1926 Alcoa Hwy Bldg F",
            "address_2": "Suite 210",
            "address_purpose": "LOCATION",
            "city": "Knoxville",
            "state": "TN",
            "postal_code": "37920",
            "country_code": "US",
            "telephone_number": "865-546-2663",
            "fax_number": "865-546-9047",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRIANTAFILLOU",
        "first_name": "KONSTANTINOS",
        "middle_name": "MARINO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-05-12",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XX0801X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Trauma",
            "state": "TN",
            "license": "50994",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "TN",
            "license": "50994",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q014245",
            "state": "TN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS TN",
            "identifier": "6047916",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7100396520",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Shirley D Trentham, MD
• Cassandra Trepanier, NP-C
• Mallory Irwin Trevino, MD
• Trey Wrigley, Inc.
• Tri-Cities Dental Services LLC
• Trifecta Health Care Institute
• Ty Trikones, DMD
• Trillium Speech, Language, & Voice Services, LLC
• Trinity Medical Associates, PC
• Trinity Medical of Kentucky

• Orthopaedic Surgery Physician in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Orthopaedic Surgery Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 2026; 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.