W. Darrell Willerson Jr MD PA
NPI 1255404943 · Ophthalmology Physician · San Antonio, TX
W. Darrell Willerson Jr MD PA is a Ophthalmology Physician organization in San Antonio, TX (NPI 1255404943).
Provider details
- NPI number
- 1255404943
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Willerson, President(210) 271-7648
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2013-01-15
Frequently asked questions
- What is W. Darrell Willerson Jr MD PA's NPI number?
- W. Darrell Willerson Jr MD PA's National Provider Identifier (NPI) is 1255404943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is W. Darrell Willerson Jr MD PA?
- W. Darrell Willerson Jr MD PA is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is W. Darrell Willerson Jr MD PA located?
- W. Darrell Willerson Jr MD PA's practice location on file with NPPES is 303 E Quincy St Ste 100, San Antonio, TX 78215-1922.
- What is W. Darrell Willerson Jr MD PA's phone number?
- The practice phone number listed in the NPPES registry for W. Darrell Willerson Jr MD PA is (210) 271-7648.
- Who is the authorized official for W. Darrell Willerson Jr MD PA?
- The authorized official listed on W. Darrell Willerson Jr MD PA's NPPES record is William Willerson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is W. Darrell Willerson Jr MD PA's NPI active?
- Yes — W. Darrell Willerson Jr MD PA's NPI (1255404943) is active in the NPPES registry as of the last update on 2013-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.