NPPES file of Aug 9, 2026

William T. Kirn, O.D.

Optometrist · Sanford, ME

William T. Kirn, O.D. is an optometrist with a practice address in Sanford, Maine, and NPI 1285659417, issued on Jul 12, 2006. Check the license (Maine OPT818, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285659417
Name
William T. Kirn
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT818 ME
Self-reported in NPPES; status is on the state search
Practice location
272 Cottage St, Sanford, ME 04073
Phone
(207) 324-8888
Enumerated
Jul 12, 2006
Record last updated
Oct 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
260530099 ME
Medicare enrollment
Enrolled (PECOS I20050719000655); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 1998
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 272 Cottage St

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

  1. Moheera AtharOptometrist1912685363
  2. Sasha Bishop, O.D.Optometrist1174823884
  3. Noah Boutin, ODOptometrist1366013740
  4. Ryan Carr, ODOptometrist1689168189
  5. Sara Gordon, ODOptometrist1902046808
  6. Dana Graichen, M.D.Ophthalmology Physician1831176312

Verify William T. Kirn 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 OPT818
    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
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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30% more Medicare Part D claims than the average optometrist in 2024

361 Medicare Part D claims for 91 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. William Kirn361
  2. Specialty average277

Most prescribed

  1. Latanoprost115 claims
  2. Timolol Maleate59 claims
  3. Restasis41 claims
  4. Dorzolamide-Timolol33 claims
  5. Lumigan31 claims
  6. Prednisolone Acetate12 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.

The MIPS final score for 2023 (Medicare payment program): 91.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $137.90

3 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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. William Kirn$137.90
  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. Associated Eye Care, P.A.Sanford, ME

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

William T. Kirn among 310 optometrist records in Maine

William T. Kirn, O.D. is one of 310 optometrist records with a practice address in Maine. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 50% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1998 · median 2008 among the 212 with a school on file
  • Record last updated2020 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 optometrist records list a practice address in Sanford

They are 15 of the 311 NPPES records with a practice address in Sanford, and 310 optometrist records in Maine.

The 8 optometrist records with the nearest ZIP codes

  1. Moheera AtharSanford, ME 040731912685363
  2. Sasha Bishop, O.D.Sanford, ME 040731174823884
  3. Noah Boutin, ODSanford, ME 040731366013740
  4. Ryan Carr, ODSanford, ME 040731689168189
  5. Sara Gordon, ODSanford, ME 040731902046808
  6. Lindsey Jendrasko, O.D.Sanford, ME 040731144509654
  7. David Lavoie, O.D.Sanford, ME 040731942229398
  8. Albert Mastraccio, O.D.Sanford, ME 040731912077843

Common questions

What is William T. Kirn, O.D.'s NPI number?

William T. Kirn, O.D.'s National Provider Identifier (NPI) is 1285659417, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William T. Kirn, O.D. located?

The NPPES record lists a practice address at 272 Cottage St, Sanford, ME, 04073. Phone: (207) 324-8888. Providers update this record themselves, so call before visiting.

How can I verify William T. Kirn, O.D.'s license?

NPPES lists Maine license number OPT818, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does William T. Kirn, O.D. prescribe under Medicare Part D?

In 2024, William T. Kirn, O.D. had 361 Medicare Part D claims for 91 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is William T. Kirn, O.D.'s MIPS final score?

The 2023 MIPS final score is 91.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.