NPI age
19 years
Enumerated 2006-11-17
● Active Type 2 · Organization
W. Darrell Willerson JR MD PA
W. Darrell Willerson JR MD PA is 1 of 2155 ophthalmology organizations in Texas.
Primary specialty
Ophthalmology
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Willerson
President
Last NPPES update
2013-01-15
Source: monthly bulk 2026-05
How this organization compares
Across 2155 active ophthalmology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2006 → 2026
2006-11Enumerated in NPPES
2006
2026
Where they practice
Primary practice location
303 E Quincy St Ste 100
San Antonio, TX 782151922
Mailing address
303 E Quincy St, Suite 100
San Antonio, TX 782151918
Authorized official
William Darrell Willerson, MD
President
📞 2102717648
Specialties
-
Ophthalmology PrimaryAn ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 177370701 | |
| 01 (TX) | 0026NC | BCBS |
Practice context
Single-site organization. Only one practice location on file.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.