NPI age
19 years
Enumerated 2006-08-11
● Active
Type 1 · Individual
Leo Simpson, MD
Simpson is 1 of 21 internal medicine providers in Houston and 1 of 81 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-11-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 81 active internal medicine providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
32% of peers hold multiple states
Subspecialties
3
In the 77% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
7200 Cambridge St Fl 6
Houston, TX 770304202
Mailing address
6620 Main St Ste 1225
Houston, TX 770302331
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
750 Hospital Loop
Craig, CO 816258750
Location 3
7200 Cambridge St Fl 10
Houston, TX 770304202
Specialties
-
Internal Medicine PrimarySpecialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery,...
-
Internal MedicineAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
-
Internal MedicineAn area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical...
-
Internal MedicineA 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) | 8CH263 | BCBS |
Practice context
Part of a multi-provider practice. 29 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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