NPPES file of Aug 9, 2026

Alex Mathew Chamberland, OD

Optometrist · Lewiston, ME

Alex Mathew Chamberland, OD is an optometrist with a practice address in Lewiston, Maine, and NPI 1164115622, issued on May 31, 2023. Check the license (Maine OPT1069, 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
1164115622
Name
Alex Mathew Chamberland
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT1069 ME
Self-reported in NPPES; status is on the state search
Practice location
633 Main St, Lewiston, ME 04240
Phone
(207) 783-8243
Enumerated
May 31, 2023
Record last updated
May 31, 2023
Medicare enrollment
Enrolled (PECOS I20240126001194); 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 633 Main St

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

  1. Parise Chamberland, O.D.Optometrist1104924174
  2. Lee De Rosa, O.D.Optometrist1568560811

Verify Alex Mathew Chamberland 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 OPT1069
    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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57% fewer Medicare Part D claims than the average optometrist in 2024

120 Medicare Part D claims for 63 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Alex Chamberland120
  2. Specialty average277

Most prescribed

  1. Latanoprost43 claims
  2. Dorzolamide-Timolol11 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: $117.13

1 payment: 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.

  1. Alex Chamberland$117.13
  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. Chamberland And Cote Eye Care, P.A., LLCLewiston, ME

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

19 optometrist records list a practice address in Lewiston

They are 19 of the 1,728 NPPES records with a practice address in Lewiston, 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 Alex Mathew Chamberland, OD's NPI number?

Alex Mathew Chamberland, OD's National Provider Identifier (NPI) is 1164115622, issued on May 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alex Mathew Chamberland, OD located?

The NPPES record lists a practice address at 633 Main St, Lewiston, ME, 04240. Phone: (207) 783-8243. Providers update this record themselves, so call before visiting.

How can I verify Alex Mathew Chamberland, OD's license?

NPPES lists Maine license number OPT1069, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Alex Mathew Chamberland, OD prescribe under Medicare Part D?

In 2024, Alex Mathew Chamberland, OD had 120 Medicare Part D claims for 63 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.