NPPES file of Aug 9, 2026

Leon A. Mark, M.ED-BCHIS

Hearing Instrument Specialist · Brookline, MA

Leon A. Mark, M.ED-BCHIS is a hearing instrument specialist with a practice address in Brookline, Massachusetts, and NPI 1902078488, issued on Mar 25, 2008. Check the license (Massachusetts 44, as entered in NPPES) 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902078488
Name
Leon A. Mark
Credential
M.ED-BCHIS
Primary taxonomy
Hearing Instrument Specialist 237700000X
License number
44 MA
Self-reported in NPPES; status is on the state search
Practice location
1101 Beacon St, Brookline, MA 02446
Phone
(617) 232-9182
Enumerated
Mar 25, 2008
Record last updated
Mar 25, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(617) 232-5825
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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8 nearest hearing instrument specialist records → All 210 in Massachusetts → Look up another NPI →

Also registered at 1101 Beacon St

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

  1. Amy Akland, PA-CMedical Physician Assistant1093915795
  2. Stephen Amira, PH.D.Clinical Psychologist1831262245
  3. Julie Anderson, PH.D.Psychologist1821190588
  4. Heather Ayares, LICSWClinical Social Worker1710107263
  5. Alexandra Beckett, M.D.Psychiatry Physician1457363962
  6. Jonathan Blumberg, MDInternal Medicine Physician1609881317

Verify Leon A. Mark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 44    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 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.

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Leon A. Mark among 210 hearing instrument specialist records in Massachusetts

Leon A. Mark, M.ED-BCHIS is one of 210 hearing instrument specialist records with a practice address in Massachusetts. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 12% of them.

  • NPI issued2008 · 12% of these records are older, 85% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2008 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 237700000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hearing Instrument Specialist providers in Massachusetts

There are 210 hearing instrument specialist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 210 in Massachusetts → Every provider in Brookline → Hearing Instrument Specialist nationwide →

The 8 hearing instrument specialist records with the nearest ZIP codes

  1. Melena Davenport, HISBrookline, MA 024451598577488
  2. Nneka NgesinaBrookline, MA 024451194458570
  3. Suzanne Rakov, HISBrookline, MA 024451235567462
  4. McKayla Repath, HISBrookline, MA 024451194557959
  5. Anthony Tortorici, HISBrookline, MA 024451477428118
  6. Semen Bobrovskii, HISWaltham, MA 024531730950478
  7. Joseph GreaneyNewton, MA 024591184262610
  8. Bradi MullenChestnut Hill, MA 024671467322883

Common questions

What is Leon A. Mark, M.ED-BCHIS's NPI number?

Leon A. Mark, M.ED-BCHIS's National Provider Identifier (NPI) is 1902078488, issued on Mar 25, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Leon A. Mark, M.ED-BCHIS located?

The NPPES record lists a practice address at 1101 Beacon St, Brookline, MA, 02446. Phone: (617) 232-9182. Providers update this record themselves, so call before visiting.

How can I verify Leon A. Mark, M.ED-BCHIS's license?

NPPES lists Massachusetts license number 44, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.