NPPES file of Aug 9, 2026

Michael Longo, D.M.D.

Oral and Maxillofacial Surgery (Dentist) · East Haven, CT

Michael Longo, D.M.D. is an oral and maxillofacial surgery (dentist) with a practice address in East Haven, Connecticut, and NPI 1821183377, issued on Oct 3, 2006. Check the license (Connecticut 8159, as entered in NPPES) with the Connecticut 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
1821183377
Name
Michael Longo
Credential
D.M.D.
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
8159 CT
Self-reported in NPPES; status is on the state search
Practice location
310 Main Street, East Haven, CT 06512
Phone
(203) 469-8057
Enumerated
Oct 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(203) 469-8058
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 310 Main Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ronald Montano, D.D.S.Oral and Maxillofacial Surgery (Dentist)1124111828

Verify Michael Longo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 8159
    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 Connecticut license search

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42% more Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

577 Medicare Part D claims for 283 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 227 claims were for opioids.

  1. Michael Longo577
  2. Specialty average406

Most prescribed

  1. Amoxicillin224 claims
  2. Acetaminophen-Codeine110 claims
  3. Hydrocodone-Acetaminophen65 claims
  4. Oxycodone-Acetaminophen51 claims
  5. Azithromycin48 claims
  6. Metronidazole24 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: $50.00

1 payment: education; the largest payer was Zimvie Inc. The 4,075 providers of this specialty with any payment received $1,077.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Longo$50.00
  2. Specialty average$1,077.58

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Michael Longo among 123 oral and maxillofacial surgery (dentist) records in Connecticut

Michael Longo, D.M.D. is one of 123 oral and maxillofacial surgery (dentist) records with a practice address in Connecticut. 64% 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 13% of them.

  • NPI issued2006 · 13% of these records are older, 41% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 13% of these records are
  • Record last updated2007 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in Connecticut

There are 123 oral and maxillofacial surgery (dentist) records in Connecticut.

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Ronald Montano, D.D.S.East Haven, CT 065121124111828
  2. Leonard Skope, D.D.S.New Haven, CT 065111699713016
  3. Robert Sorrentino, DMDNew Haven, CT 065111962491803
  4. Philip Conforti, DDSHamden, CT 065141053305201
  5. Raymond Gambardella, DMDHamden, CT 065141801880430
  6. Jeffrey Berkley, DDSWest Haven, CT 065161699854810
  7. Susan Lee, D.D.S.West Haven, CT 065161780887281
  8. Erik Sayles, MD, DMDWest Haven, CT 065161457598138

Common questions

What is Michael Longo, D.M.D.'s NPI number?

Michael Longo, D.M.D.'s National Provider Identifier (NPI) is 1821183377, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Longo, D.M.D. located?

The NPPES record lists a practice address at 310 Main Street, East Haven, CT, 06512. Phone: (203) 469-8057. Providers update this record themselves, so call before visiting.

How can I verify Michael Longo, D.M.D.'s license?

NPPES lists Connecticut license number 8159, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Michael Longo, D.M.D. prescribe under Medicare Part D?

In 2024, Michael Longo, D.M.D. had 577 Medicare Part D claims for 283 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.