NPPES file of Aug 9, 2026

Stephen John Kirwan, O.D.

Optometrist · Wolfeboro, NH

Stephen John Kirwan, O.D. is an optometrist with a practice address in Wolfeboro, New Hampshire, and NPI 1841381860, issued on Sep 27, 2006. Check the license (New Hampshire 0686, as entered in NPPES) with the New Hampshire 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
1841381860
Name
Stephen John Kirwan
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
0686 NH
Self-reported in NPPES; status is on the state search
Practice location
36 Center St # 5, Wolfeboro, NH 03894
Phone
(603) 569-8500
Enumerated
Sep 27, 2006
Record last updated
Mar 14, 2023
Fax
(603) 569-8905
Medicare enrollment
Enrolled (PECOS I20060111000528); accepts Medicare assignment
Medical or professional school
Pennsylvania 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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Verify Stephen John Kirwan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 0686
    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 New Hampshire license search

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84% more Medicare Part D claims than the average optometrist in 2024

511 Medicare Part D claims for 153 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Stephen Kirwan511
  2. Specialty average277

Most prescribed

  1. Latanoprost146 claims
  2. Dorzolamide-Timolol47 claims
  3. Timolol Maleate44 claims
  4. Brimonidine Tartrate31 claims
  5. Lumigan26 claims
  6. Neomycin-Polymyxin-Dexameth26 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): 77.8 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 score64.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%91.0
  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).

Bills Medicare through one group practice

  1. Wolfeboro Eye Associates IncWolfeboro Falls, NH

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

Stephen John Kirwan among 293 optometrist records in New Hampshire

Stephen John Kirwan, O.D. is one of 293 optometrist records with a practice address in New Hampshire. 74% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1998 · median 2007 among the 202 with a school on file
  • Record last updated2023 · 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 New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in New Hampshire

There are 293 optometrist records in New Hampshire.

The 8 optometrist records with the nearest ZIP codes

  1. Lori Kirwan, O.D.Wolfeboro Falls, NH 038961699873687
  2. Barry Collins, O.D.Stratham, NH 038851598825721
  3. Lauren Gump, O.D.Somersworth, NH 038781891886644
  4. Charles Lafreniere, ODSomersworth, NH 038781669544300
  5. Derrick Chung, O.D.Seabrook, NH 038741386876282
  6. Chang Soo Lee, O.D.Seabrook, NH 038741285745604
  7. Sarah Bigda, ODRochester, NH 038671518644921
  8. Erica BonnellRochester, NH 038671487218657

Common questions

What is Stephen John Kirwan, O.D.'s NPI number?

Stephen John Kirwan, O.D.'s National Provider Identifier (NPI) is 1841381860, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen John Kirwan, O.D. located?

The NPPES record lists a practice address at 36 Center St # 5, Wolfeboro, NH, 03894. Phone: (603) 569-8500. Providers update this record themselves, so call before visiting.

How can I verify Stephen John Kirwan, O.D.'s license?

NPPES lists New Hampshire license number 0686, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen John Kirwan, O.D. prescribe under Medicare Part D?

In 2024, Stephen John Kirwan, O.D. had 511 Medicare Part D claims for 153 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Stephen John Kirwan, O.D.'s MIPS final score?

The 2023 MIPS final score is 77.8 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.