William Ryan Butler, OD
- Medicare patients, 2024
- 59
- Part D claims, 2024
- 39
- Industry payments
- $18
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 1150 N I-35, Round Rock, TX 78681
- Practice phone
- Call (512) 828-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
W. Ryan Butler OD
Round Rock, Texas
Find William Butler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Ryan Butler is an optometrist in Round Rock, Texas
William Butler practices at W. Ryan Butler OD in Round Rock, Texas.
William Butler's NPI, 1144436767, was assigned on May 14, 2007. William Butler graduated from University of Houston - College of Optometry in 1999. William Butler holds Texas license 5811TG.
- NPI
- 1144436767NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587739636
- NPI enumeration date
- May 14, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 828-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Ryan Butler practices at W. Ryan Butler OD in Round Rock, Texas
William Butler's primary practice is W. Ryan Butler OD, at 1150 N I-35, Round Rock, TX 78681 in Williamson County. The practice phone is (512) 828-5500.
- W. Ryan Butler OD1150 N I-35, Round Rock, TX 78681 · Williamson CountyPhone(512) 828-5500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Ryan Butler is affiliated with 2 sites of care
William Butler's primary practice is W. Ryan Butler OD in Round Rock, Texas. Dmand AI also links William Butler to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Ryan Butler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Butler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| W. Ryan Butler OD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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William Ryan Butler is one of 3,272 optometrists in Texas
Optometrist is William Butler's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Butler is licensed in Texas.
Specialties and state licenses
- Optometrist, TexasPrimary
Optometrists near William Butler
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Ryan Butler treated 59 Medicare patients in 2024, average age 73
CMS counts 59 Medicare patients who saw William Butler in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Butler's median patient age at 67, with 57% women.
William Butler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Butler's Medicare patients by sex, 2024
- Women2644%
- Men3356%
Chronic conditions among William Butler's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis31%
- Ischemic heart disease27%
- Diabetes24%
- Anxiety20%
- Atrial fibrillation19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
William Butler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Ryan Butler wrote 39 Medicare Part D claims in 2024
In 2024, William Butler wrote 39 Medicare Part D claims for 19 patients. 49% of them were for generic drugs.
William Butler's Part D claims by kind of drug, 2024
- Generic19 claims49%
- Brand-name20 claims51%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William Ryan Butler takes part in Medicare
William Butler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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William Ryan Butler received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to William Butler from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $18.
Companies that paid William Butler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Ryan Butler graduated from University of Houston - College of Optometry
William Butler graduated from University of Houston - College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William Ryan Butler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Ryan Butler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Ryan Butler's NPI number?
William Ryan Butler's NPI number is 1144436767. It was assigned on May 14, 2007, and it is active in the NPI Registry.
What does William Ryan Butler specialize in?
William Ryan Butler is an optometrist in Round Rock, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Ryan Butler practice?
William Butler practices at 1150 N I-35, Round Rock, TX 78681. William Butler's primary practice is W. Ryan Butler OD in Round Rock, Texas. Dmand AI also links William Butler to 1 physician office.
What is William Ryan Butler's office phone number?
The practice phone on file for William Butler is (512) 828-5500.
What is William Ryan Butler's medical license number?
William Butler holds Texas license 5811TG.
Does William Ryan Butler accept Medicare?
Yes. CMS lists William Butler as accepting Medicare assignment.
How many Medicare patients does William Ryan Butler see?
CMS counts 59 Medicare patients who saw William Butler in 2024, with an average age of 73.
Where did William Ryan Butler go to medical school?
William Butler graduated from University of Houston - College of Optometry in 1999.
Has William Ryan Butler received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to William Butler from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has William Ryan Butler been practicing?
William Butler graduated from medical school in 1999, 27 years ago.
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