Matthew Mascioli, DO
NPI 1225615933 · Sleep Medicine (Internal Medicine) Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Mascioli, DO is a Sleep Medicine (Internal Medicine) Physician provider in Knoxville, TN (NPI 1225615933).
Provider details
- NPI number
- 1225615933
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 02007815A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$178 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1120 W Michigan StIndianapolis, IN 46202-5209Phone: (317) 278-0042
Registry dates
- Enumerated
- 2021-03-27
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is Matthew Mascioli's NPI number?
- Matthew Mascioli's National Provider Identifier (NPI) is 1225615933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Mascioli's specialty?
- Matthew Mascioli is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Mascioli located?
- Matthew Mascioli's practice location on file with NPPES is 1267 Dick Lonas Rd Ste 200, Knoxville, TN 37909-1326.
- What is Matthew Mascioli's phone number?
- The practice phone number listed in the NPPES registry for Matthew Mascioli is (865) 909-0744.
- Does Matthew Mascioli accept Medicare?
- Matthew Mascioli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Mascioli's NPI active?
- Yes — Matthew Mascioli's NPI (1225615933) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.