Sylvia Harrison
NPI 1558637462 · Developmental Therapist · Lowell, MA
Sylvia Harrison is a Developmental Therapist provider in Lowell, MA (NPI 1558637462).
Provider details
- NPI number
- 1558637462
- Entity type
- Individual
- Primary specialty
- Developmental TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2012-03-25
- Last updated
- 2012-03-25
Frequently asked questions
- What is Sylvia Harrison's NPI number?
- Sylvia Harrison's National Provider Identifier (NPI) is 1558637462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Harrison's specialty?
- Sylvia Harrison is listed in the NPPES registry with a primary specialty of Developmental Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sylvia Harrison located?
- Sylvia Harrison's practice location on file with NPPES is 126 Phoenix Ave Bldg 2, Lowell, MA 01852-4931.
- What is Sylvia Harrison's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Harrison is (978) 453-8331.
- Is Sylvia Harrison's NPI active?
- Yes — Sylvia Harrison's NPI (1558637462) is active in the NPPES registry as of the last update on 2012-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.