Registry data as of Aug 27, 2026

Jason Kassir, DMD

General Practice Dentistry · Portland, ME

Jason Kassir, DMD is a general practice dentistry with a practice address in Portland, Maine, and NPI 1558431080, issued on Nov 9, 2006. Check the license with the Maine board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558431080
Name
Jason Kassir
Credential
DMD
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
611 Brighton Ave, Portland, ME 04102
Phone
(207) 773-4597
Enumerated
Nov 9, 2006
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 611 Brighton Ave

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

  1. Daniel Creek, LCPC-CProfessional Counselor1780095349
  2. Kyle Deden, D.C.Chiropractor1366542532
  3. Christian NapolitanoChiropractor1700722097

Verify Jason Kassir in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck 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 Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

69 general practice dentistry records list a Portland practice address

They are 69 of the 6,022 NPPES records with a Portland practice address, and 508 general practice dentistry records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Maine

  1. Joel Ackerman, DMDEllsworth, ME1417979386
  2. Timothy Adamchuk, DMDWindham, ME1871190926
  3. Isaac Adegbola, DDSEllsworth, ME1245043496
  4. Oluwapelumi Adeloye, D.M.D, MPHLincoln, ME1235623307
  5. Colleen Ahern, DMDYarmouth, ME1073018834
  6. Donald Ahern, D.D.S.Ellsworth, ME1356483093
  7. Olugbenga Akinsanya, DDSWaterville, ME1154586006
  8. Nicola Albanese, DMDGorham, ME1376675603
  9. Gregory Albert, DDSDamariscotta, ME1861612186
  10. Katelyn Allen, DMDPortland, ME1215430822

Common questions

What is Jason Kassir, DMD's NPI number?

Jason Kassir, DMD's National Provider Identifier (NPI) is 1558431080, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Kassir, DMD located?

The NPPES record lists a practice address at 611 Brighton Ave, Portland, ME, 04102. Phone: (207) 773-4597. Providers update this record themselves, so call before visiting.

How can I verify Jason Kassir, DMD's license?

Search the Maine board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.