NPPES file of Aug 9, 2026

William Lorson

Cardiovascular Disease Physician · Oak Ridge, TN

William Lorson is a cardiovascular disease physician with a practice address in Oak Ridge, Tennessee, and NPI 1558724401, issued on Mar 29, 2016. Check the license (Tennessee 4640, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558724401
Name
William Lorson
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
4640 TN
Self-reported in NPPES; status is on the state search
Practice location
80 Vermont Ave, Oak Ridge, TN 37830
Phone
(865) 482-4078
Enumerated
Mar 29, 2016
Record last updated
Jun 21, 2022
Fax
(865) 374-2205
Medicaid ID
Q042900 TN
Medicare enrollment
Enrolled (PECOS I20220609001200); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 80 Vermont Ave

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

  1. James Halama, M.D.Cardiovascular Disease Physician1174561971
  2. Jessica Hamby, APRN, FNP-BCNurse Practitioner1003474354
  3. Justin Harrell, DOCardiovascular Disease Physician1346744323
  4. Larry Justice, M.D.Cardiovascular Disease Physician1790721819
  5. Victor McLaughlin, M.D.Cardiovascular Disease Physician1114972098
  6. James Michel, M.D.Cardiovascular Disease Physician1205881240

Verify William Lorson 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 4640    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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14% more Medicare Part D claims than the average cardiovascular disease physician in 2024

3,523 Medicare Part D claims for 470 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. William Lorson3,523
  2. Specialty average3,078

Most prescribed

  1. Eliquis429 claims
  2. Metoprolol Succinate258 claims
  3. Atorvastatin Calcium242 claims
  4. Amlodipine Besylate181 claims
  5. Carvedilol172 claims
  6. Metoprolol Tartrate165 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Covenant Medical Group IncOak Ridge, TN
  2. Cumberland Medical Center, Inc.Crossville, TN
  3. Roane County Medical CenterHarriman, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cardiovascular Disease Physician providers in Tennessee

There are 464 cardiovascular disease physician records in Tennessee.

All 464 in Tennessee → Every provider in Oak Ridge →

Other cardiovascular disease physician records in Tennessee

  1. Bassem Abazid, M.D.Lenoir City, TN1689835944
  2. Ahmed Abdallah, M.DLenoir City, TN1124525597
  3. Javed Abdullah, MDGermantown, TN1184801367
  4. Kazeen Abdullah, M.D.Smyrna, TN1790084929
  5. John Acker, M.D.Knoxville, TN1497756241
  6. Aaron Aday, M.D.Nashville, TN1336469220
  7. Adedayo Adeboye, MDMemphis, TN1699948281
  8. Adeyinka Agbetoyin, MDJackson, TN1922047422
  9. Niti Aggarwal, MDFranklin, TN1598962474
  10. Vineet Agrawal, MD, PHDNashville, TN1750624292

Common questions

What is William Lorson's NPI number?

William Lorson's National Provider Identifier (NPI) is 1558724401, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is William Lorson located?

The NPPES record lists a practice address at 80 Vermont Ave, Oak Ridge, TN, 37830. Phone: (865) 482-4078. Providers update this record themselves, so call before visiting.

How can I verify William Lorson's license?

NPPES lists Tennessee license number 4640, 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.

How much does William Lorson prescribe under Medicare Part D?

In 2024, William Lorson had 3,523 Medicare Part D claims for 470 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

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.