Michael James Onyon, O.D.
Optometrist · Salem, NH
Michael James Onyon, O.D. is an optometrist with a practice address in Salem, New Hampshire, and NPI 1760434237, issued on May 16, 2006. Check the license (New Hampshire 580, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael James Onyon
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 580 NH
Self-reported in NPPES; status is on the state search - Practice location
- 8 Stiles RD, Salem, NH 03079
- Phone
- (603) 890-8821
- Enumerated
- May 16, 2006
- Record last updated
- Sep 30, 2022
- Fax
- (603) 893-5614
- Medicare enrollment
- Enrolled (PECOS I20060227000486); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1989
- Entity
- Type 1 · individual
8 nearest optometrist records → All 293 in New Hampshire → Look up another NPI →
Also registered at 8 Stiles RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael James Onyon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average optometrist in 2024
43 Medicare Part D claims for 17 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Latanoprost22 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: $174.81
5 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.
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
- Myeyedr Optometry OF New Hampshire PLLCPlaistow, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael James Onyon among 293 optometrist records in New Hampshire
Michael James Onyon, 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
- Graduated1989 · median 2007 among the 202 with a school on file
- Record last updated2022 · 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).
16 optometrist records list a practice address in Salem
They are 16 of the 1,098 NPPES records with a practice address in Salem, and 293 optometrist records in New Hampshire.
All 293 in New Hampshire → Every provider in Salem → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Paula Bergeron, ODSalem, NH 030791134144579
- Roger Connelly, ODSalem, NH 030791205903986
- Susan Fischer, O.D.Salem, NH 030791811920689
- Brenda Fogarty, O.D.Salem, NH 030791043296445
- Anthony Fusco, O.D.Salem, NH 030791841224599
- Christian Iyore, ODSalem, NH 030791912468570
- Beth Kohn, O.D.Salem, NH 030791245213156
- John Meinhold, ODSalem, NH 030791467647289
Common questions
What is Michael James Onyon, O.D.'s NPI number?
Michael James Onyon, O.D.'s National Provider Identifier (NPI) is 1760434237, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael James Onyon, O.D. located?
The NPPES record lists a practice address at 8 Stiles RD, Salem, NH, 03079. Phone: (603) 890-8821. Providers update this record themselves, so call before visiting.
How can I verify Michael James Onyon, O.D.'s license?
NPPES lists New Hampshire license number 580, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Michael James Onyon, O.D. prescribe under Medicare Part D?
In 2024, Michael James Onyon, O.D. had 43 Medicare Part D claims for 17 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.