NPPES file of Aug 9, 2026

Stephen P. Byrnes, O D

Optometrist · Londonderry, NH

Stephen P. Byrnes, O D is an optometrist with a practice address in Londonderry, New Hampshire, and NPI 1245379924, issued on Feb 6, 2007. Check the license (New Hampshire 334, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245379924
Name
Stephen P. Byrnes
Credential
O D
Primary taxonomy
Optometrist 152W00000X
License numbers
334 NH
2643 MA
Self-reported in NPPES; status is on the state search
Practice location
80 Nashua Road, Londonderry, NH 03053
Phone
(603) 434-4449
Enumerated
Feb 6, 2007
Record last updated
Mar 27, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(603) 432-6059
Medicare enrollment
Enrolled (PECOS I20060509000851); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 1977
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.
Download card Updates feed

Verify Stephen P. Byrnes 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 334
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

90% fewer Medicare Part D claims than the average optometrist in 2024

29 Medicare Part D claims for 13 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Stephen Byrnes29
  2. Specialty average277

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.

Stephen P. Byrnes among 293 optometrist records in New Hampshire

Stephen P. Byrnes, 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 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 44% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1977 · median 2007 among the 202 with a school on file
  • Record last updated2015 · 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).

5 optometrist records list a practice address in Londonderry

They are 5 of the 425 NPPES records with a practice address in Londonderry, and 293 optometrist records in New Hampshire.

The 8 optometrist records with the nearest ZIP codes

  1. Michael Kaminski, ODLondonderry, NH 030531679680128
  2. Nisha Patel, O.D.Londonderry, NH 030531871565770
  3. Kimberly WongLondonderry, NH 030531972989911
  4. Kevin Chauvette, ODMerrimack, NH 030541851366876
  5. Ronald Douville, ODMerrimack, NH 030541679515043
  6. Matthew Francis, O.D.Merrimack, NH 030541245324284
  7. Robert Groves, O.D.Merrimack, NH 030541508028812
  8. Michael Procaccini, ODMerrimack, NH 030541558853606

Common questions

What is Stephen P. Byrnes, O D's NPI number?

Stephen P. Byrnes, O D's National Provider Identifier (NPI) is 1245379924, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen P. Byrnes, O D located?

The NPPES record lists a practice address at 80 Nashua Road, Londonderry, NH, 03053. Phone: (603) 434-4449. Providers update this record themselves, so call before visiting.

How can I verify Stephen P. Byrnes, O D's license?

NPPES lists New Hampshire license number 334, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Stephen P. Byrnes, O D prescribe under Medicare Part D?

In 2024, Stephen P. Byrnes, O D had 29 Medicare Part D claims for 13 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.