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DR. WILLIAM RYAN BUTLER O.D.
NPI 1144436767
Optometrist in Round Rock, TX

Active since May 14, 2007PECOS EnrolledAccepts Medicare Assignment
1150 IH 35 N STE 500, ROUND ROCK, TX 78681(512) 828-5500(512) 828-5501 Get Directions Write a Review

NPPES record last updated: November 10, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Ryan Butler O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM RYAN BUTLER O.D. (NPI 1144436767) is an individual optometrist in Round Rock, Texas, licensed in Texas (5811TG) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Houston - College Of Optometry (1999).

NPPES Registry Identity

NPI1144436767
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. WILLIAM RYAN BUTLERCredential: O.D.
Location Address1150 IH 35 N STE 500Round Rock, TX 78681-4271
Mailing Address1150 Ih 35 N Ste 500Round Rock, TX 78681-4271 · (512) 828-5500 · Fax (512) 828-5500
Phone(512) 828-5500
Fax(512) 828-5501
Sole ProprietorYes
Medical School CMSUniversity Of Houston - College Of OptometryGraduated 1999
Enumeration DateMay 14, 2007
Last NPPES UpdateNovember 10, 2016
✔ NPI 1144436767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in TX · 5811TG
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1150 IH 35 N STE 500, Round Rock, TX 78681
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Other Identifiers 3

Medicare UPINU83876TX
Medicare PIN8L0044TX
Medicare ID-Type Unspecified81320ETX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Ryan Butler O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587739636
PECOS Enrollment IDI20080825000267
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
33 services33 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78681 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Butler's NPI number?

The NPI number for William Butler is 1144436767. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is William Butler located?

William Butler practices at 1150 Ih 35 N Ste 500, Round Rock, TX 78681. The listed phone number is (512) 828-5500.

What is William Butler's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is William Butler enrolled in Medicare?

Yes. William Butler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Butler accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, BlueCross BlueShield of Tennessee and Providence Health Plan list William Butler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Butler was last updated on November 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.