NPI age
10 years
Enumerated 2015-06-01
● Active
Type 1 · Individual
DR. John Howell Hamilton, M. D.
Hamilton is 1 of 148 general practice providers in San Antonio and 1 of 2087 in Texas.
Primary specialty
General Practice
Plus 1 subspecialty
Licensed in
FL, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-11-27
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2087 active general practice providers in Texas.
NPI age
10 years
≈ at median (10 yr)
State licenses
2 states
Top 95% — 4% of peers are multi-state
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-06Enumerated in NPPES
2015
2026
Where they practice
Practice location
111 Dallas St
San Antonio, TX 78205
Mailing address
15544 Escarpment Oak
Helotes, TX 780235126
Additional practice locations
1 secondary location on file with NPPES.
Location 2
10198 Sw Village Pkwy Ste 105
Port St Lucie, FL 349872592
Specialties
-
General Practice PrimaryA physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
-
Emergency MedicineAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Practice context
Part of a multi-provider practice. 109 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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