James Louthan, MD
NPI 1477556157 · Internal Medicine Physician · Kingsport, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Louthan, MD is a Internal Medicine Physician provider in Kingsport, TN (NPI 1477556157).
Provider details
- NPI number
- 1477556157
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD 31352 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
8,421 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 910 | $118 |
| Screening 3d Breast Mammography77063 | 565 | $49 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 563 | $36 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 381 | $60 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 366 | $121 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 233 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 660 | 94 |
| Levothyroxine Sodium | 632 | 163 |
| Losartan Potassium | 625 | 163 |
| Amlodipine Besylate | 614 | 162 |
| Rosuvastatin Calcium | 568 | 162 |
| Oxycodone Hcl | 495 | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$696 across 49 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2009-09-22
Frequently asked questions
- What is James Louthan's NPI number?
- James Louthan's National Provider Identifier (NPI) is 1477556157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Louthan's specialty?
- James Louthan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Louthan located?
- James Louthan's practice location on file with NPPES is 2033 Meadowview Ln, Kingsport, TN 37660-7569.
- What is James Louthan's phone number?
- The practice phone number listed in the NPPES registry for James Louthan is (423) 857-2260.
- Does James Louthan accept Medicare?
- James Louthan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Louthan's NPI active?
- Yes — James Louthan's NPI (1477556157) is active in the NPPES registry as of the last update on 2009-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.