Leon Mark, M.ED-BCHIS
NPI 1902078488 · Hearing Instrument Specialist · Brookline, MA
Leon Mark, M.ED-BCHIS is a Hearing Instrument Specialist provider in Brookline, MA (NPI 1902078488).
Provider details
- NPI number
- 1902078488
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- M.ED-BCHIS
- Sex
- Male
- Sole proprietor
- No
- License
- 44 (MA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-25
- Last updated
- 2008-03-25
Frequently asked questions
- What is Leon Mark's NPI number?
- Leon Mark's National Provider Identifier (NPI) is 1902078488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Mark's specialty?
- Leon Mark is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Leon Mark located?
- Leon Mark's practice location on file with NPPES is 1101 Beacon St, Brookline, MA 02446-5587.
- What is Leon Mark's phone number?
- The practice phone number listed in the NPPES registry for Leon Mark is (617) 232-9182.
- Is Leon Mark's NPI active?
- Yes — Leon Mark's NPI (1902078488) is active in the NPPES registry as of the last update on 2008-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.