Chelsea Sylvester
NPI 1366877490 · Mental Health Counselor · Haverhill, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Sylvester is a Mental Health Counselor provider in Haverhill, MA (NPI 1366877490).
Provider details
- NPI number
- 1366877490
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 13210 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2013-09-09
- Last updated
- 2025-03-11
- Certified
- 2025-03-11
Frequently asked questions
- What is Chelsea Sylvester's NPI number?
- Chelsea Sylvester's National Provider Identifier (NPI) is 1366877490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Sylvester's specialty?
- Chelsea Sylvester is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Chelsea Sylvester located?
- Chelsea Sylvester's practice location on file with NPPES is 116 Summer St, Haverhill, MA 01830-6032.
- What is Chelsea Sylvester's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Sylvester is (978) 373-7010.
- Does Chelsea Sylvester accept Medicare?
- Chelsea Sylvester is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Sylvester's NPI active?
- Yes — Chelsea Sylvester's NPI (1366877490) is active in the NPPES registry as of the last update on 2025-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.