Nathaniel Root, DPT
NPI 1538391115 · Physical Therapist · Waltham, MA
Nathaniel Root, DPT is a Physical Therapist provider in Waltham, MA (NPI 1538391115).
Provider details
- NPI number
- 1538391115
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Male
- Sole proprietor
- No
- License
- 18775 (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
16 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
- 2009-08-17
- Last updated
- 2009-08-17
Frequently asked questions
- What is Nathaniel Root's NPI number?
- Nathaniel Root's National Provider Identifier (NPI) is 1538391115, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Root's specialty?
- Nathaniel Root is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Nathaniel Root located?
- Nathaniel Root's practice location on file with NPPES is 840 Winter St, Waltham, MA 02451-1433.
- What is Nathaniel Root's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Root is (781) 487-9944.
- Is Nathaniel Root's NPI active?
- Yes — Nathaniel Root's NPI (1538391115) is active in the NPPES registry as of the last update on 2009-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.