NPPES file of Aug 9, 2026

James T. Harrison, M.D.

Addiction Medicine (Family Medicine) Physician · Knoxville, TN

James T. Harrison, M.D. is an addiction medicine (family medicine) physician with a practice address in Knoxville, Tennessee, and NPI 1740325992, issued on Feb 21, 2007. Check the license (Tennessee 20351, 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
1740325992
Name
James T. Harrison
Credential
M.D.
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
20351 TN
Self-reported in NPPES; status is on the state search
Practice location
8712 Asheville Hwy, Knoxville, TN 37924
Phone
(865) 932-3633
Enumerated
Feb 21, 2007
Record last updated
Jan 22, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(865) 932-3316
Medicare enrollment
Enrolled (PECOS I20200826003952); accepts Medicare assignment
Medical or professional school
New York Medical College, 1982
Telehealth
Offers telehealth (CMS)
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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8 nearest addiction medicine (family medicine) physician records → All 34 in Tennessee → Look up another NPI →

Also registered at 8712 Asheville Hwy

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

  1. Sondra Holder, MSSW;LCSWClinical Social Worker1265925531
  2. Stephanie Keller, PA-CPhysician Assistant1053062240

Verify James T. Harrison 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 20351    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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46% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024

359 Medicare Part D claims for 59 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.

  1. James Harrison359
  2. Specialty average664

Most prescribed

  1. Buprenorphine-Naloxone332 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.

Industry payments in 2024: $45.90

2 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 305 providers of this specialty with any payment received $1,151.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Harrison$45.90
  2. Specialty average$1,151.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cedar Recovery Center OF Middle Tennessee, LLCMt Juliet, TN

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

James T. Harrison among 34 addiction medicine (family medicine) physician records in Tennessee

James T. Harrison, M.D. is one of 34 addiction medicine (family medicine) physician records with a practice address in Tennessee. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.

  • NPI issued2007 · 32% of these records are older, 50% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1982 · median 2008 among the 21 with a school on file
  • Record last updated2015 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Family Medicine) Physician providers in Tennessee

There are 34 addiction medicine (family medicine) physician records in Tennessee.

All 34 in Tennessee → Every provider in Knoxville → Addiction Medicine (Family Medicine) Physician nationwide →

The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes

  1. Ryan Alexander, DO, MPHKnoxville, TN 379211346773082
  2. John Murphy, D.O.Knoxville, TN 379211497800270
  3. Steven Ritchie, M.D.Knoxville, TN 379191376782045
  4. Julia Ball, MSN, FNP-BCKnoxville, TN 379141336615871
  5. Jason Kirby, DO, MBA, FASAMSeymour, TN 378651295056281
  6. Keith Pratt, MDMosheim, TN 378181396773669
  7. Kevin Catney, MDMorristown, TN 378141073569695
  8. Sharon Duke, D.O.Morristown, TN 378141982630091

Common questions

What is James T. Harrison, M.D.'s NPI number?

James T. Harrison, M.D.'s National Provider Identifier (NPI) is 1740325992, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James T. Harrison, M.D. located?

The NPPES record lists a practice address at 8712 Asheville Hwy, Knoxville, TN, 37924. Phone: (865) 932-3633. Providers update this record themselves, so call before visiting.

How can I verify James T. Harrison, M.D.'s license?

NPPES lists Tennessee license number 20351, 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 James T. Harrison, M.D. prescribe under Medicare Part D?

In 2024, James T. Harrison, M.D. had 359 Medicare Part D claims for 59 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. 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.