Helen Sullivan, L.M.H.C.
NPI 1831259597 · Mental Health Counselor · Waltham, MA
Helen Sullivan, L.M.H.C. is a Mental Health Counselor provider in Waltham, MA (NPI 1831259597).
Provider details
- NPI number
- 1831259597
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- L.M.H.C.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3927 (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
19 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
- 2006-12-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Helen Sullivan's NPI number?
- Helen Sullivan's National Provider Identifier (NPI) is 1831259597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Sullivan's specialty?
- Helen Sullivan is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Helen Sullivan located?
- Helen Sullivan's practice location on file with NPPES is 118 Central St, Waltham, MA 02453-5465.
- What is Helen Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Helen Sullivan is (781) 891-0555.
- Is Helen Sullivan's NPI active?
- Yes — Helen Sullivan's NPI (1831259597) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.