NPPES file of Aug 9, 2026

Charles J. Mascioli, M.D.

Critical Care Medicine (Internal Medicine) Physician · Oak Ridge, TN

Charles J. Mascioli, M.D. is a critical care medicine (internal medicine) physician with a practice address in Oak Ridge, Tennessee, and NPI 1891731915, issued on Jun 20, 2006. Check the license (Tennessee MD40673, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891731915
Name
Charles J. Mascioli
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
MD40673 TN
Self-reported in NPPES; status is on the state search
Practice location
990 Oak Ridge Tpke, Oak Ridge, TN 37830
Phone
(865) 835-1000
Enumerated
Jun 20, 2006
Record last updated
Nov 15, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(865) 539-8008
Medicaid ID
3813856 TN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 990 Oak Ridge Tpke

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jacob Agner, DOEmergency Medicine Physician1285212100
  2. Charles Ashley, D.PH.Pharmacist1932136124
  3. Cindy Ayo, OTD, OTR/LOccupational Therapist1083778757
  4. Nawras Baban, M.D.Internal Medicine Physician1225075021
  5. Dell Bailey, CRNACertified Registered Nurse Anesthetist1316197882
  6. Jeff Baker, D.PH.Pharmacist1851311351

Verify Charles J. Mascioli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license MD40673    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Tennessee

There are 88 critical care medicine (internal medicine) physician records in Tennessee.

All 88 in Tennessee → Every provider in Oak Ridge →

Other critical care medicine (internal medicine) physician records in Tennessee

  1. Jason Adams, MDGallatin, TN1881742435
  2. Oluwaseyi Adejorin, M.DCookeville, TN1770895252
  3. Robert Aguillard, MDMemphis, TN1659362960
  4. Danya Ahmed, MDChattanooga, TN1568091965
  5. Zachary Anderson, DOMemphis, TN1093337982
  6. Gordon Bernard, MDNashville, TN1326147760
  7. Richard Boswell, M.D.Memphis, TN1679558779
  8. Andrew BradsherMemphis, TN1366948028
  9. Angelo Canonico, M.D.Nashville, TN1407896749
  10. Christine Carter, MDChattanooga, TN1144683848

Common questions

What is Charles J. Mascioli, M.D.'s NPI number?

Charles J. Mascioli, M.D.'s National Provider Identifier (NPI) is 1891731915, issued on Jun 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles J. Mascioli, M.D. located?

The NPPES record lists a practice address at 990 Oak Ridge Tpke, Oak Ridge, TN, 37830. Phone: (865) 835-1000. Providers update this record themselves, so call before visiting.

How can I verify Charles J. Mascioli, M.D.'s license?

NPPES lists Tennessee license number MD40673, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Charles J. Mascioli, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.