Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1386636454 Deactivated / Inactive NPI Male Practitioner

Dr. William Darrell Willerson , MD

Ophthalmology • San Antonio, TX

⚠️

Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. William Willerson has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date August 16, 2005
NPI Deactivation Date September 25, 2025
Total Practice Duration ~20 Years of Practice (2005 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. William Willerson, MD was a registered Ophthalmology practicing in San Antonio, TX. Throughout an active medical career spanning 20 years, Dr. Willerson provided care at the practice location at 303 E QUINCY ST until profile deactivation on 2025-09-25.

Practice Location & Contact Primary Location

Practice Address

303 E Quincy St
Suite 100

San Antonio, TX 782151918

Telephone 2102717648
Associated Practice Facility / Clinic
🏢 Inhome Care Inc Facility NPI 1083720882

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in San Antonio, TX

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 25.4 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
154 Specialists

Practicing in San Antonio, TX (1616 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License TX D4360

An 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 disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
NPI 1336131499

Doctor of Medicine (M.D.)

NPI 1508889403

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
⚠️
NPI Profile Deactivated September 25, 2025

Record deactivated on September 25, 2025

NPI Profile Active April 02, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location April 02, 2015

Registered at 303 E QUINCY ST, SUITE 100, SAN ANTONIO, TX 782151918 (Tel: 2102717648)

📍
Updated Business Mailing Address April 02, 2015

Registered at 303 E QUINCY ST, SUITE 100, SAN ANTONIO, TX 782151918 (Tel: 2102717648)

👤
Provider Name / Credentials Updated April 02, 2015

Recorded as WILLIAM WILLERSON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 02, 2015

Ophthalmology (License #D4360 in TX)

🟢
Initial NPI Registration & Enumeration August 16, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. William Willerson. Be the first to share your experience!

Sign in to leave a review for Dr. William Willerson

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1386636454
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 16, 2005
Last Update: April 02, 2015
Deactivation Date: September 25, 2025

Mailing Address

303 E Quincy St, Suite 100

San Antonio, TX 782151918

Phone: 2102717648

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.