NPPES file of Aug 9, 2026

Derek Vien

Optometrist · Brunswick, ME

Derek Vien is an optometrist with a practice address in Brunswick, Maine, and NPI 1851077101, issued on Jun 22, 2023. Check the license (Maine OPT1073, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851077101
Name
Derek Vien
Primary taxonomy
Optometrist 152W00000X
License number
OPT1073 ME
Self-reported in NPPES; status is on the state search
Practice location
242 Bath RD, Brunswick, ME 04011
Phone
(207) 389-3525
Enumerated
Jun 22, 2023
Record last updated
Jun 22, 2023
Medicare enrollment
Enrolled (PECOS I20230907002807); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 242 Bath RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lyn Benton, O.D.Optometrist1164420790
  2. Cassidy Hill, ODOptometrist1568356988

Verify Derek Vien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license OPT1073
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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59% fewer Medicare Part D claims than the average optometrist in 2024

113 Medicare Part D claims for 38 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Derek Vien113
  2. Specialty average277

Most prescribed

  1. Latanoprost40 claims
  2. Timolol Maleate16 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: $178.29

7 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.

  1. Derek Vien$178.29
  2. Specialty average$769.99

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

  1. Maine Optometry PAGorham, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

13 optometrist records list a practice address in Brunswick

They are 13 of the 981 NPPES records with a practice address in Brunswick, and 310 optometrist records in Maine.

Other optometrist records in Maine

  1. Amy Abbott, O.D.South Portland, ME1578663365
  2. Andre Achenbach, O.D.Brunswick, ME1376807263
  3. Rachel Achenbach, ODWindham, ME1528408622
  4. Nirupama Aggarwal, ODPortland, ME1871599928
  5. Paul Albert, O.D.Ellsworth, ME1255440467
  6. Mark Alexander, O.D.Brunswick, ME1225118953
  7. Kimberly Allen, O.D.Brewer, ME1659479624
  8. Hyder Almosawy, ODStandish, ME1578129078
  9. Isabel Alonso Zieja, O.D.Kittery, ME1033341029
  10. Jill Amundson, ODPortland, ME1710983861

Common questions

What is Derek Vien's NPI number?

Derek Vien's National Provider Identifier (NPI) is 1851077101, issued on Jun 22, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Derek Vien located?

The NPPES record lists a practice address at 242 Bath RD, Brunswick, ME, 04011. Phone: (207) 389-3525. Providers update this record themselves, so call before visiting.

How can I verify Derek Vien's license?

NPPES lists Maine license number OPT1073, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Derek Vien prescribe under Medicare Part D?

In 2024, Derek Vien had 113 Medicare Part D claims for 38 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.