Matthew C Mascioli, DO

Primary specialty

Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X

License

6295 Issued in TN

Practice address

1267 Dick Lonas Rd Ste 200
Knoxville, TN 37909-1326

Phone

(865) 909-0744

Fax

(833) 908-2120

NPI assigned

Mar 27, 2021

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

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

Sleep Medicine

Education

Lincoln Mem Univ, Debusk Col of Osteopathic Med, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Summit Medical Group, PLLCGroup PAC ID 2860396330, 636 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: matthew.mascioli.1@20785.direct.athenahealth.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.

• Summit Medical Group, PLLC

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

  • Internal Medicine Physician
  • Knoxville, TN
  • NPI 1548349186
  NPD
• Summit Medical Group,PLLC

  • Sleep Medicine (Internal Medicine) Physician
  • Knoxville, TN
  • NPI 1053838714
  NPD
• Summit Medical Group, PLLC

  • Family Medicine Physician
  • Knoxville, TN
  • NPI 1699722470

  Internal Medicine

  NPD (past)

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

{
    "created_epoch": "1616803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1225615933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1275 DICK LONAS RD UNIT 101",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379091383",
            "telephone_number": "865-584-4747",
            "fax_number": "833-908-0998"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1267 DICK LONAS RD STE 200",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379091326",
            "telephone_number": "865-909-0744",
            "fax_number": "833-908-2120"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1120 W Michigan St",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025209",
            "country_code": "US",
            "telephone_number": "317-278-0042",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASCIOLI",
        "first_name": "MATTHEW",
        "middle_name": "C",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-27",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "02007815A",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "TN",
            "license": "6295",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Dillon, MD, PLLC
• Mary Es Beaver MD PLLC
• Mitchell Ryan Mascaro, DDS
• Adria Morgan Mascia
• Nicolas Mascia, MD
• Megan E. Mase, D.O.
• Douglas Masengill Jr.
• Deborah Haynes Mashburn, LPN
• Dena Lynn Mashburn, APN
• Emma Grace Mashburn, PA-C

• Sleep Medicine (Internal Medicine) Physician in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Sleep Medicine (Internal Medicine) Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.