Derek Wentworth Guarino, OD
Optometrist · Dover, NH
Derek Wentworth Guarino, OD is an optometrist with a practice address in Dover, New Hampshire, and NPI 1427137710, issued on Nov 6, 2006. Check the license (New Hampshire 0706, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek Wentworth Guarino
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 0706 NH
Self-reported in NPPES; status is on the state search - Practice location
- 113 New Rochester RD, Dover, NH 03820
- Phone
- (603) 742-0045
- Enumerated
- Nov 6, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130716000745); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1995
- Entity
- Type 1 · individual
8 nearest optometrist records → All 293 in New Hampshire → Look up another NPI →
Also registered at 113 New Rochester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janice Conboy, PA-CPhysician Assistant1396800041
- Rachel Forbes, DMDEndodontics1912112624
- Ronel Holtzhausen, OTROccupational Therapist1114250818
- Mary Hunting, CCC-AAudiologist1932264686
- Philip Shiere, D.M.D.Endodontics1194745513
Verify Derek Wentworth Guarino 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 0706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
14 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 86% of 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: $107.30
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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Derek Wentworth Guarino among 293 optometrist records in New Hampshire
Derek Wentworth Guarino, OD 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
- Graduated1995 · median 2007 among the 202 with a school on file
- Record last updated2007 · 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.
All 293 in New Hampshire → Every provider in Dover → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Naila Aslam, ODDover, NH 038201265480958
- Shirlie Dowd Herbst, ODDover, NH 038201720176266
- Costas Frangos, ODDover, NH 038201649789793
- Ryan Fuller, ODDover, NH 038201982157624
- Meryl Iacocca, ODDover, NH 038201891622684
- Norman Menard, ODDover, NH 038201508848763
- Peter Mocklis, ODDover, NH 038201073655437
- Debra Poulin-Belair, ODBarrington, NH 038251447227038
Common questions
What is Derek Wentworth Guarino, OD's NPI number?
Derek Wentworth Guarino, OD's National Provider Identifier (NPI) is 1427137710, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Derek Wentworth Guarino, OD located?
The NPPES record lists a practice address at 113 New Rochester RD, Dover, NH, 03820. Phone: (603) 742-0045. Providers update this record themselves, so call before visiting.
How can I verify Derek Wentworth Guarino, OD's license?
NPPES lists New Hampshire license number 0706, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Derek Wentworth Guarino, OD prescribe under Medicare Part D?
In 2024, Derek Wentworth Guarino, OD had 14 Medicare Part D claims; 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.