Derek Vien
- Medicare patients, 2024
- 170
- Part D claims, 2024
- 113
- Industry payments
- $51
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 242 Bath Rd, Brunswick, ME 04011
- Practice phone
- Call (207) 729-8474
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Maine Optometry PA
Brunswick, Maine
Find Derek Vien'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 Vien is an optometrist in Brunswick, Maine
Derek Vien practices at Maine Optometry PA in Brunswick, Maine.
Derek Vien's NPI, 1851077101, was assigned on June 22, 2023. Derek Vien holds Maine license OPT1073.
- NPI
- 1851077101NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416311519
- NPI enumeration date
- June 22, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 729-8474
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Derek Vien practices at Maine Optometry PA in Brunswick, Maine
Derek Vien's primary practice is Maine Optometry PA, at 242 Bath Rd, Brunswick, ME 04011 in Cumberland County. The practice phone is (207) 729-8474.
- Maine Optometry PA242 Bath Rd, Brunswick, ME 04011 · Cumberland CountyPhone(207) 729-8474
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Derek Vien is affiliated with 2 sites of care and 1 medical group
Derek Vien's primary practice is Maine Optometry PA in Brunswick, Maine. Dmand AI also links Derek Vien to 1 group practice or clinic and 1 medical group, each 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 Derek Vien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Derek Vien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maine Optometry PA | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Derek Vien is one of 261 optometrists in Maine
Optometrist is Derek Vien's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Derek Vien is licensed in Maine.
Specialties and state licenses
- Optometrist, MainePrimary
Optometrists near Derek Vien
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 Vien treated 170 Medicare patients in 2024, average age 74
CMS counts 170 Medicare patients who saw Derek Vien in 2024. The largest group is 65 to 74, with 86 patients. 65% of them have high cholesterol, and 61% have high blood pressure. 15% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Derek Vien's median patient age at 69, with 54% women.
Derek Vien's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Derek Vien's Medicare patients by sex, 2024
- Women9355%
- Men7745%
Chronic conditions among Derek Vien's Medicare patients, 2024
- High cholesterol65%
- High blood pressure61%
- Arthritis35%
- Mood disorders24%
- Diabetes22%
- Anxiety21%
- Depression21%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Derek Vien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Derek Vien wrote 113 Medicare Part D claims in 2024
In 2024, Derek Vien wrote 113 Medicare Part D claims for 38 patients. 75% of them were for generic drugs.
Derek Vien's Part D claims by kind of drug, 2024
- Generic85 claims75%
- Brand-name28 claims25%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Derek Vien ranks in the 47th percentile for cataract surgery in Medicare
Derek Vien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 22 procedures of cataract surgery by Derek Vien, more than 47% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Derek Vien ranks in Medicare procedure volume
- Cataract surgery
- 47th percentile22 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)
For MedTech and pharma teams
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Derek Vien received $51 in industry payments in 2025
CMS Open Payments shows 1 general payment to Derek Vien from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $51.
Companies that paid Derek Vien 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 Vien'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)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 Vien
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 Vien's NPI number?
Derek Vien's NPI number is 1851077101. It was assigned on June 22, 2023, and it is active in the NPI Registry.
What does Derek Vien specialize in?
Derek Vien is an optometrist in Brunswick, Maine. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Derek Vien practice?
Derek Vien practices at 242 Bath Rd, Brunswick, ME 04011. Derek Vien's primary practice is Maine Optometry PA in Brunswick, Maine. Dmand AI also links Derek Vien to 1 group practice or clinic and 1 medical group.
What is Derek Vien's office phone number?
The practice phone on file for Derek Vien is (207) 729-8474.
What is Derek Vien's medical license number?
Derek Vien holds Maine license OPT1073.
Does Derek Vien accept Medicare?
Yes. CMS lists Derek Vien as accepting Medicare assignment.
How many Medicare patients does Derek Vien see?
CMS counts 170 Medicare patients who saw Derek Vien in 2024, with an average age of 74.
Has Derek Vien received payments from drug or device companies?
CMS Open Payments shows $51 in general payments to Derek Vien from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Derek Vien been practicing?
Derek Vien graduated from medical school in 2023, 3 years ago.
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