Registry data as of Aug 27, 2026

Mark Breen

Specialist · Lowell, MA

Mark Breen is a specialist with a practice address in Lowell, Massachusetts, and NPI 1003483678, issued on Jun 10, 2021. Check the license with the Massachusetts 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
1003483678
Name
Mark Breen
Primary taxonomy
Specialist 174400000X
Practice location
1230 Bridge St, Lowell, MA 01850
Phone
(978) 455-3397
Enumerated
Jun 10, 2021
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 1230 Bridge St

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

  1. Tanya Brown, MS, PA-CPhysician Assistant1962502443
  2. John Capino, MDOphthalmology Physician1730147612
  3. Christina ConradStudent in an Organized Health Care Education/Training Program1598439226
  4. Christine Corbin, MSMental Health Counselor1013357169
  5. Ashley Diamont, MSMental Health Counselor1033709795
  6. Marie Dupic-Washburn, M.D.Emergency Medicine Physician1619030640

Verify Mark Breen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts 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 Massachusetts 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.

Specialist providers in Massachusetts

There are 1,259 specialist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,259 in Massachusetts → Every provider in Lowell →

Other specialist records in Massachusetts

  1. Bruce Abbott, MDNew Bedford, MA1760485155
  2. Sylvie Abi-Younes, M.D.Norwood, MA1316926975
  3. Funlola Aboderin, M.D.Boston, MA1730139791
  4. Henry Abraham, M.D.Lexington, MA1811001076
  5. Pamela Abrams-Warnick, LICSWBrockton, MA1538256813
  6. Janine Acevedo, M.E.C.S.E.Beverly, MA1568631869
  7. Brian Acker, M.D.Springfield, MA1619077369
  8. Vincent Agnello, M.D.Burlington, MA1053362129
  9. Patricia Ahearn.burnettBrockton, MA1578125811
  10. Alexandra AisBrockton, MA1386357333

Common questions

What is Mark Breen's NPI number?

Mark Breen's National Provider Identifier (NPI) is 1003483678, issued on Jun 10, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mark Breen located?

The NPPES record lists a practice address at 1230 Bridge St, Lowell, MA, 01850. Phone: (978) 455-3397. Providers update this record themselves, so call before visiting.

How can I verify Mark Breen's license?

Search the Massachusetts 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.

Compiled from official public sources by the editorial process.

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.