James Leach, M.D.
NPI 1497835334 · Addiction Medicine (Family Medicine) Physician · Loudon, TN
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Leach, M.D. is a Addiction Medicine (Family Medicine) Physician provider in Loudon, TN (NPI 1497835334).
Provider details
- NPI number
- 1497835334
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD9419 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 240 | 37 |
| Hydroxyzine Hcl | 22 | — |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 19 | — |
| Ondansetronbrand: Ondansetron Odt | 18 | — |
| Sertraline Hcl | 18 | — |
| Clonidine Hcl | 16 | — |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (1)
- 1149 Nashville HwyLewisburg, TN 37091-2236Phone: (931) 422-2444Fax: (931) 422-2445
Registry dates
- Enumerated
- 2006-10-16
- Last updated
- 2024-01-24
- Certified
- 2024-01-24
Frequently asked questions
- What is James Leach's NPI number?
- James Leach's National Provider Identifier (NPI) is 1497835334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Leach's specialty?
- James Leach is listed in the NPPES registry with a primary specialty of Addiction Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is James Leach located?
- James Leach's practice location on file with NPPES is 810 Mulberry St, Loudon, TN 37774-1309.
- What is James Leach's phone number?
- The practice phone number listed in the NPPES registry for James Leach is (865) 657-9303.
- Does James Leach accept Medicare?
- James Leach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Leach's NPI active?
- Yes — James Leach's NPI (1497835334) is active in the NPPES registry as of the last update on 2024-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.