James Wendell Leach, M.D.
Addiction Medicine (Family Medicine) Physician · Loudon, TN
James Wendell Leach, M.D. is an addiction medicine (family medicine) physician with a practice address in Loudon, Tennessee, and NPI 1497835334, issued on Oct 16, 2006. Check the license (Tennessee 9419, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Wendell Leach
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License numbers
- 9419 TN
MD9419 TN
Self-reported in NPPES; status is on the state search - Practice location
- 810 Mulberry St, Loudon, TN 37774
- Phone
- (865) 657-9303
- Enumerated
- Oct 16, 2006
- Record last updated
- Jan 24, 2024
- Fax
- (865) 657-9404
- Medicaid IDs
- 10067723 TN
Q009993 TN - Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 34 in Tennessee → Look up another NPI →
Also registered at 810 Mulberry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Kellett, MDFamily Medicine Physician1134159171
- Lori Martin, LADAC II, NCAC IIAddiction (Substance Use Disorder) Counselor1679228720
- Alessandra Musetti, M.D.Family Medicine Physician1275949711
Verify James Wendell Leach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 9419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
404 Medicare Part D claims for 38 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone240 claims
- Hydroxyzine Hcl22 claims
- Pramipexole Dihydrochloride19 claims
- Ondansetron Odt18 claims
- Sertraline Hcl18 claims
- Clonidine Hcl16 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.
James Wendell Leach among 34 addiction medicine (family medicine) physician records in Tennessee
James Wendell Leach, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 68% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2024 · 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 Loudon → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Kevin Catney, MDMorristown, TN 378141073569695
- Sharon Duke, D.O.Morristown, TN 378141982630091
- Keith Pratt, MDMosheim, TN 378181396773669
- Ashish Patel, M.D.Alcoa, TN 377011093758187
- Jason Kirby, DO, MBA, FASAMSeymour, TN 378651295056281
- Julia Ball, MSN, FNP-BCKnoxville, TN 379141336615871
- Steven Ritchie, M.D.Knoxville, TN 379191376782045
- Ryan Alexander, DO, MPHKnoxville, TN 379211346773082
Common questions
What is James Wendell Leach, M.D.'s NPI number?
James Wendell Leach, M.D.'s National Provider Identifier (NPI) is 1497835334, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Wendell Leach, M.D. located?
The NPPES record lists a practice address at 810 Mulberry St, Loudon, TN, 37774. Phone: (865) 657-9303. Providers update this record themselves, so call before visiting.
How can I verify James Wendell Leach, M.D.'s license?
NPPES lists Tennessee license number 9419, 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 Wendell Leach, M.D. prescribe under Medicare Part D?
In 2024, James Wendell Leach, M.D. had 404 Medicare Part D claims for 38 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.
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.