Doctor profile · Federal record

Dr. Matthew Mascioli, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Knoxville, TN

  • NPI 1225615933
  • Accepts Medicare
  • 5 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1267 Dick Lonas RD Ste 200
Knoxville, TN 379091326
(865) 909-0744
fax (833) 908-2120
Additional location
1120 W Michigan St
Indianapolis, IN 462025209
(317) 278-0042
Mailing address
Po Box 26194
Belfast, ME 049152012

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
June 23, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Tennessee #6295 · Indiana #02007815A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225615933. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$178
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, Inc. 1 $177.99

By nature of payment

Food and Beverage
$178

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Mascioli's medical specialty?
Dr. Matthew Mascioli practices Internal Medicine Physician in Knoxville, TN.
Where does Dr. Matthew Mascioli practice?
Dr. Matthew Mascioli practices at 1267 Dick Lonas RD Ste 200, Knoxville, TN 379091326. Office phone: 8659090744.
What is Dr. Matthew Mascioli's NPI?
Dr. Matthew Mascioli's National Provider Identifier (NPI) is 1225615933, issued by NPPES.
Does Dr. Matthew Mascioli accept Medicare assignment?
Yes. Dr. Matthew Mascioli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.