Derek Evan Hamilton, OD

  • Round Rock, TX
  • Optometrist
NPI1578582037PAC ID1052318367
Medicare patients, 2024
65
Part D claims, 2024
55
Industry payments
$309
Affiliated sites
2
Medical group
1
Practice address
16030 Park Valley, Ste 100, Round Rock, TX 78681
Practice phone
Call (512) 246-8777
Professional email
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Oakwood Surgery Center

Surgery Center - Medicare-Certified · Round Rock, Texas

See all 3 affiliations

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Derek Evan Hamilton is an optometrist in Round Rock, Texas

Derek Hamilton practices at Oakwood Surgery Center in Round Rock, Texas.

Derek Hamilton's NPI, 1578582037, was assigned on July 18, 2006. Derek Hamilton holds Texas license 6931T.

NPI and contact details
Medicare PAC ID
1052318367
NPI enumeration date
July 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(512) 246-8777
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Derek Evan Hamilton practices at Oakwood Surgery Center in Round Rock, Texas

Derek Hamilton's primary practice is Oakwood Surgery Center, at 16030 Park Valley, Ste 100, Round Rock, TX 78681. The practice phone is (512) 246-8777.

  • Oakwood Surgery Center
    16030 Park Valley, Ste 100, Round Rock, TX 78681Phone(512) 246-8777

Source: Dmand AI Affiliation Data

Derek Evan Hamilton is affiliated with 2 sites of care and 1 medical group

Derek Hamilton's primary practice is Oakwood Surgery Center in Round Rock, Texas. Dmand AI also links Derek Hamilton to 1 group practice or clinic and 1 medical group, each named with a free account.

See all 3 affiliations for Derek Hamilton

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Derek Evan Hamilton's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Derek Hamilton practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oakwood Surgery CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Derek Evan Hamilton is one of 3,272 optometrists in Texas

Optometrist is Derek Hamilton's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Derek Hamilton is licensed in Texas.

Specialties and state licenses

  • Optometrist, TexasPrimaryLicense 6931T · taxonomy 152W00000X

Optometrists near Derek Hamilton

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

Derek Evan Hamilton treated 65 Medicare patients in 2024, average age 73

CMS counts 65 Medicare patients who saw Derek Hamilton in 2024. The largest group is 65 to 74, with 44 patients. 74% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.84, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Derek Hamilton's median patient age at 71, with 56% women.

Medicare patients, 202465
Average age73
Average risk score0.84

Derek Hamilton's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Derek Hamilton's Medicare patients by sex, 2024

  • Women4163%
  • Men2437%

Chronic conditions among Derek Hamilton's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure71%
  3. Arthritis32%
  4. Ischemic heart disease20%
  5. Diabetes18%
  6. Osteoporosis18%

Share of Medicare patients with each condition. A patient can have several.

Derek Hamilton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Derek Evan Hamilton wrote 55 Medicare Part D claims in 2024

In 2024, Derek Hamilton wrote 55 Medicare Part D claims for 30 patients. 27% of them were for generic drugs.

Part D claims, 202455
Part D patients30

Derek Hamilton's Part D claims by kind of drug, 2024

  • Generic15 claims27%
  • Brand-name40 claims73%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Derek Evan Hamilton ranks in the 34th percentile for cataract surgery in Medicare

Derek Hamilton accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of cataract surgery by Derek Hamilton, more than 34% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Derek Hamilton ranks in Medicare procedure volume

Cataract surgery
34th percentile12 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Derek Evan Hamilton received $309 in industry payments in 2025

CMS Open Payments shows 5 general payments to Derek Hamilton from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $287.

Companies that paid Derek Hamilton the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Derek Hamilton

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Derek Evan Hamilton's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Derek Evan Hamilton

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Derek Evan Hamilton's NPI number?

Derek Evan Hamilton's NPI number is 1578582037. It was assigned on July 18, 2006, and it is active in the NPI Registry.

What does Derek Evan Hamilton specialize in?

Derek Evan Hamilton is an optometrist in Round Rock, Texas. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Derek Evan Hamilton practice?

Derek Hamilton practices at 16030 Park Valley, Ste 100, Round Rock, TX 78681. Derek Hamilton's primary practice is Oakwood Surgery Center in Round Rock, Texas. Dmand AI also links Derek Hamilton to 1 group practice or clinic and 1 medical group.

What is Derek Evan Hamilton's office phone number?

The practice phone on file for Derek Hamilton is (512) 246-8777.

What is Derek Evan Hamilton's medical license number?

Derek Hamilton holds Texas license 6931T.

Does Derek Evan Hamilton accept Medicare?

Yes. CMS lists Derek Hamilton as accepting Medicare assignment.

How many Medicare patients does Derek Evan Hamilton see?

CMS counts 65 Medicare patients who saw Derek Hamilton in 2024, with an average age of 73.

Has Derek Evan Hamilton received payments from drug or device companies?

CMS Open Payments shows $309 in general payments to Derek Hamilton from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.

How long has Derek Evan Hamilton been practicing?

Derek Hamilton graduated from medical school in 2006, 20 years ago.

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