NPI age
20 years
Enumerated 2005-06-16
● Active
Type 1 · Individual
DR. Gregory Alan Hamon, MD
Hamon is 1 of 199 surgery providers in San Antonio and 1 of 3028 in Texas.
Primary specialty
Surgery
Plus 4 subspecialties
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2024-11-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 3028 active surgery providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
2 states
Top 88% — 11% of peers are multi-state
Subspecialties
2
In the 27% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-06Enumerated in NPPES
2005
2026
Where they practice
Practice location
19016 Stone Oak Pkwy Ste 220
San Antonio, TX 782583281
Mailing address
24723 Clearwater Run
San Antonio, TX 782553479
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
24723 Clearwater Run
San Antonio, TX 782553479
Location 3
1200 Brooklyn Ave Ste 150
San Antonio, TX 782124815
Specialties
-
Surgery PrimaryA general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and...
-
PhlebologyPhlebology is the medical discipline that involves the diagnosis and treatment of venous disorders, including spider veins, varicose veins, chronic venous insufficiency, venous leg ulcers, congenital venous abnormalities, venous...
-
SurgeryA surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 7131262 | AETNA PIN |
| 01 (TX) | 8AQ890 | BCBSTX |
| 05 (CA) | 00A494341 | |
| 01 (TX) | 1961534-01 | MEDICAID TPI |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.