NPI age
20 years
Enumerated 2005-07-07
● Active
Type 1 · Individual
Michael Carter Leath, MD
Leath is 1 of 19 internal medicine providers in Marshall and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2010-10-07
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-07Enumerated in NPPES
2005
2026
Where they practice
Practice location
7470 State Hwy 154, Oak Haven Recovery Center
Marshall, TX 75670
Mailing address
Po Box 2506
Longview, TX 75606
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 0004357854 | AETNA |
| 05 (TX) | 131170604 | |
| 01 (TX) | 0043GG | BLUE CROSS |
| 01 (TX) | 110219847 | RAILROAD MEDICARE |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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