Brett William Hamilton, OD
Optometrist · Round Rock, TX
Brett William Hamilton, OD is an optometrist with a practice address in Round Rock, Texas, and NPI 1871528745, issued on Jul 11, 2006. Check the license (Texas 6527TG, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brett William Hamilton
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 6527TG TX
Self-reported in NPPES; status is on the state search - Practice location
- 1 Chisholm Trl Ste 2100, Round Rock, TX 78681
- Phone
- (512) 671-9494
- Enumerated
- Jul 11, 2006
- Record last updated
- Aug 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (512) 671-9469
- Medicaid ID
- 217026801 TX
- Medicare enrollment
- Enrolled (PECOS I20040802000068); accepts Medicare assignment
- Medical or professional school
- Southern College Of Optometry, 2003
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Also registered at 1 Chisholm Trl Ste 2100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clete Smith, O.D.Optometrist1316035876
Verify Brett William Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 6527TGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average optometrist in 2024
114 Medicare Part D claims for 43 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Latanoprost22 claims
- Xdemvy21 claims
- Bimatoprost13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $512.98
18 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Brett W Hamilton OD PARound Rock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett William Hamilton among 5,006 optometrist records in Texas
Brett William Hamilton, OD is one of 5,006 optometrist records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 65% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2003 · median 2010 among the 2,894 with a school on file
- Record last updated2012 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Texas
There are 5,006 optometrist records in Texas.
All 5,006 in Texas → Every provider in Round Rock → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- William Butler, O.D.Round Rock, TX 786811144436767
- Dana Dang, O.D.Round Rock, TX 786811952700122
- Irene Renee Fuentes, O.D.Round Rock, TX 786811265816540
- Nancy Guenthner, O.D.Round Rock, TX 786811639335128
- Carissa Lumby, ODRound Rock, TX 786811609226794
- Larissa Rodriguez, ODRound Rock, TX 786811730062019
- Clete Smith, O.D.Round Rock, TX 786811316035876
- Clinton Stengel, O.DRound Rock, TX 786811487036612
Common questions
What is Brett William Hamilton, OD's NPI number?
Brett William Hamilton, OD's National Provider Identifier (NPI) is 1871528745, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brett William Hamilton, OD located?
The NPPES record lists a practice address at 1 Chisholm Trl Ste 2100, Round Rock, TX, 78681. Phone: (512) 671-9494. Providers update this record themselves, so call before visiting.
How can I verify Brett William Hamilton, OD's license?
NPPES lists Texas license number 6527TG, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Brett William Hamilton, OD prescribe under Medicare Part D?
In 2024, Brett William Hamilton, OD had 114 Medicare Part D claims for 43 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.