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Matthew Johnson, LDO
NPI 1144612334 · Optician · Cambridge, MA
Matthew Johnson, LDO is a Optician provider in Cambridge, MA (NPI 1144612334).
Provider details
- NPI number
- 1144612334
- Entity type
- Individual
- Primary specialty
- OpticianEye and Vision Services Providers
- Credential
- LDO
- Sex
- Male
- Sole proprietor
- No
- License
- 6429 (MA)
Specialties & taxonomies
Eye and Vision Services Providers
Eye and Vision Services Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
1 Porter Sq
Cambridge, MA 02140-1431
Phone: (617) 864-7005
Fax: (617) 864-3250
Street-level locationGet directions
Mailing address
1 Porter Sq
Cambridge, MA 02140-1431
Registry dates
- Enumerated
- 2015-02-24
- Last updated
- 2015-02-24
Frequently asked questions
- What is Matthew Johnson's NPI number?
- Matthew Johnson's National Provider Identifier (NPI) is 1144612334, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Johnson's specialty?
- Matthew Johnson is listed in the NPPES registry with a primary specialty of Optician (Eye and Vision Services Providers).
- Where is Matthew Johnson located?
- Matthew Johnson's practice location on file with NPPES is 1 Porter Sq, Cambridge, MA 02140-1431.
- What is Matthew Johnson's phone number?
- The practice phone number listed in the NPPES registry for Matthew Johnson is (617) 864-7005.
- Is Matthew Johnson's NPI active?
- Yes — Matthew Johnson's NPI (1144612334) is active in the NPPES registry as of the last update on 2015-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.