Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Ryan Butler, OD

Individual provider Optometrist · NPI 1144436767

Dr. William Ryan Butler, OD is an Optometry in Round Rock, Texas. Graduated from University of Houston - College of Optometry in 1999, 27 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
27
Trained at
University of Houston - College of Optometry
Licensed in
TX
In the registry since
2007
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

1150 Ih 35 N Ste 500
Round Rock, TX 78681-4271
Phone: (512) 828-5500
Fax: (512) 828-5501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 5811TG (TX)

Record details

NPI number1144436767
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedMay 14, 2007
Last updated in NPPESNovember 10, 2016
Mailing address1150 Ih 35 N Ste 500, Round Rock, TX 78681-4271

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY OF HOUSTON - COLLEGE OF OPTOMETRY
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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