Mark Louis Longobardi, DMD
General Practice Dentistry · Willimantic, CT
Mark Louis Longobardi, DMD is a general practice dentistry with a practice address in Willimantic, Connecticut, and NPI 1184635849, issued on Aug 10, 2006. Check the license (Connecticut 6965, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Louis Longobardi
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6965 CT
Self-reported in NPPES; status is on the state search - Practice location
- 169 Valley St, Willimantic, CT 06226
- Phone
- (860) 456-1784
- Enumerated
- Aug 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 423-6408
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,731 in Connecticut → Look up another NPI →
Verify Mark Louis Longobardi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average general practice dentistry in 2024
164 Medicare Part D claims for 93 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin43 claims
- Ibuprofen29 claims
- Chlorhexidine Gluconate28 claims
- Amoxicillin-Clavulanate Potass23 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.
Mark Louis Longobardi among 1,731 general practice dentistry records in Connecticut
Mark Louis Longobardi, DMD is one of 1,731 general practice dentistry records with a practice address in Connecticut. 63% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 69% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 general practice dentistry records list a practice address in Willimantic
They are 11 of the 487 NPPES records with a practice address in Willimantic, and 1,731 general practice dentistry records in Connecticut.
All 1,731 in Connecticut → Every provider in Willimantic → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Valerie Alessandro, D.D.S.Willimantic, CT 062261245340710
- Gary Berman, D.M.D.Willimantic, CT 062261497870620
- Michael Crawford, D.D.S.Willimantic, CT 062261659548477
- Arthur Dougherty, DDSWillimantic, CT 062261144353061
- Sheela Elias, DDSWillimantic, CT 062261700197928
- Jason Hernandez, DMDWillimantic, CT 062261851688584
- Cristina Ilies, DDSWilliamantic, CT 062261659498715
- Sebastian Lombardi, D.D.S.Willimantic, CT 062261033234141
Common questions
What is Mark Louis Longobardi, DMD's NPI number?
Mark Louis Longobardi, DMD's National Provider Identifier (NPI) is 1184635849, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Louis Longobardi, DMD located?
The NPPES record lists a practice address at 169 Valley St, Willimantic, CT, 06226. Phone: (860) 456-1784. Providers update this record themselves, so call before visiting.
How can I verify Mark Louis Longobardi, DMD's license?
NPPES lists Connecticut license number 6965, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Louis Longobardi, DMD prescribe under Medicare Part D?
In 2024, Mark Louis Longobardi, DMD had 164 Medicare Part D claims for 93 beneficiaries; the average among general practice dentistry prescribers was 83. 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.