Geoffrey Carignan, DMD
Dentist · Hyannis, MA
Geoffrey Carignan, DMD is a dentist with a practice address in Hyannis, Massachusetts, and NPI 1780070524, issued on Apr 8, 2015. Check the license (Massachusetts DN1858290, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Geoffrey Carignan
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- DN1858290 MA
Self-reported in NPPES; status is on the state search - Practice location
- 310 South St, Hyannis, MA 02601
- Phone
- (508) 775-1955
- Enumerated
- Apr 8, 2015
- Record last updated
- Apr 19, 2024
- Fax
- (508) 775-8955
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 310 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edward Egan, DMDGeneral Practice Dentistry1184657827
- Ronald Knight, DDSGeneral Practice Dentistry1356372106
Verify Geoffrey Carignan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license DN1858290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average dentist in 2024
59 Medicare Part D claims for 37 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin19 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.
Geoffrey Carignan among 2,934 dentist records in Massachusetts
Geoffrey Carignan, DMD is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 48% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Massachusetts
There are 2,934 dentist records in Massachusetts.
All 2,934 in Massachusetts → Every provider in Hyannis → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Marcelo Bruycker DasilvaHyannis, MA 026011164408662
- John CodjoeHyannis, MA 026011770618506
- Richard Demerjian, DMDHyannis, MA 026011780733683
- Danisel Gil, DDSHyannis, MA 026011306273032
- Dania Latimer, DDSHyannis, MA 026011811133242
- Sang Lee, D.M.DHyannis, MA 026011952638017
- Cezar Martini, DDSHyannis, MA 026011144205915
- Linda Miller, DMDHyannis, MA 026011306229158
Common questions
What is Geoffrey Carignan, DMD's NPI number?
Geoffrey Carignan, DMD's National Provider Identifier (NPI) is 1780070524, issued on Apr 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey Carignan, DMD located?
The NPPES record lists a practice address at 310 South St, Hyannis, MA, 02601. Phone: (508) 775-1955. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey Carignan, DMD's license?
NPPES lists Massachusetts license number DN1858290, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Geoffrey Carignan, DMD prescribe under Medicare Part D?
In 2024, Geoffrey Carignan, DMD had 59 Medicare Part D claims for 37 beneficiaries; the average among dentist prescribers was 86. 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.