NPI age
20 years
Enumerated 2005-07-28
● Active
Type 1 · Individual
Charles H MacHell, M.D.
MacHell is 1 of 25 internal medicine providers in San Antonio and 1 of 309 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-07-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 309 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
20% of peers hold multiple states
Subspecialties
0
72% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-07Enumerated in NPPES
2005
2026
Where they practice
Practice location
6800 Ih 10 W, Ste 350
San Antonio, TX 782012038
Mailing address
Po Box 2600
San Antonio, TX 782992600
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
4604 Ne Stallings Dr
Nacogdoches, TX 759651608
Location 3
707 E Marshall Ave
Longview, TX 756015545
Location 4
703 E Marshall Ave Ste 5007
Longview, TX 756015554
Specialties
-
Internal Medicine PrimaryA field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Practice context
Part of a multi-provider practice. 2 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 →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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