Esther Martin, OTR
NPI 1841838687 · Occupational Therapist · Cambridge, MA
Esther Martin, OTR is a Occupational Therapist provider in Cambridge, MA (NPI 1841838687).
Provider details
- NPI number
- 1841838687
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR
- Sex
- Female
- Sole proprietor
- Yes
- License
- 13385 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-12-11
- Last updated
- 2019-12-11
- Certified
- 2019-12-11
Frequently asked questions
- What is Esther Martin's NPI number?
- Esther Martin's National Provider Identifier (NPI) is 1841838687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Martin's specialty?
- Esther Martin is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Esther Martin located?
- Esther Martin's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1099.
- What is Esther Martin's phone number?
- The practice phone number listed in the NPPES registry for Esther Martin is (617) 665-1000.
- Is Esther Martin's NPI active?
- Yes — Esther Martin's NPI (1841838687) is active in the NPPES registry as of the last update on 2019-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.