Derek Evan Hamilton, O.D.
Optometrist · Austin, TX
Derek Evan Hamilton, O.D. is an optometrist with a practice address in Austin, Texas, and NPI 1578582037, issued on Jul 18, 2006. Check the license (Texas 6931T, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek Evan Hamilton
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 6931T TX
Self-reported in NPPES; status is on the state search - Practice location
- 15550 RR 620 N Ste 100, Austin, TX 78717
- Phone
- (512) 251-4040
- Enumerated
- Jul 18, 2006
- Record last updated
- Nov 1, 2022
- Fax
- (512) 252-1562
- Medicare enrollment
- Enrolled (PECOS I20061030000572); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 5,006 in Texas → Look up another NPI →
Verify Derek Evan 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 6931TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average optometrist in 2024
55 Medicare Part D claims for 30 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 73% of claims.
Most prescribed
- Cyclosporine13 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: $439.37
8 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
- Derek Hamilton, OD, P.A.Austin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Evan Hamilton among 5,006 optometrist records in Texas
Derek Evan Hamilton, O.D. 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
- Graduated2006 · median 2010 among the 2,894 with a school on file
- Record last updated2022 · 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 Austin → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Vaughn Brinegar, O.D.Austin, TX 787171083622757
- Victoria Defeo, O.D.Austin, TX 787171295743979
- David Gardiner, O.D.Austin, TX 787171235239773
- Hansa Huang, O.D.Austin, TX 787171598957334
- Jennifer Khanh, O.D.Austin, TX 787171770730921
- Michelle Le, ODAustin, TX 787171558843821
- Sundra Lemanski, O.D.Austin, TX 787171881756807
- Phuong Ma-Trandai, O.D.Austin, TX 787171093238917
Common questions
What is Derek Evan Hamilton, O.D.'s NPI number?
Derek Evan Hamilton, O.D.'s National Provider Identifier (NPI) is 1578582037, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek Evan Hamilton, O.D. located?
The NPPES record lists a practice address at 15550 RR 620 N Ste 100, Austin, TX, 78717. Phone: (512) 251-4040. Providers update this record themselves, so call before visiting.
How can I verify Derek Evan Hamilton, O.D.'s license?
NPPES lists Texas license number 6931T, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Derek Evan Hamilton, O.D. prescribe under Medicare Part D?
In 2024, Derek Evan Hamilton, O.D. had 55 Medicare Part D claims for 30 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.