Derek Evan Hamilton, OD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Oakwood Surgery Center
Surgery Center - Medicare-Certified · Round Rock, Texas
Find Derek Hamilton'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.
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
- 1578582037NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052318367
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (512) 246-8777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- 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 Center16030 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.
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.
| Site | EHR vendor and product |
|---|---|
| Oakwood Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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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, TexasPrimary
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.
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
- High cholesterol74%
- High blood pressure71%
- Arthritis32%
- Ischemic heart disease20%
- Diabetes18%
- 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.
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.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Derek Evan Hamilton'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 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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