Marisa Greaves
NPI 1457863672 · Clinical Social Worker · Haverhill, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Greaves is a Clinical Social Worker provider in Haverhill, MA (NPI 1457863672).
Provider details
- NPI number
- 1457863672
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- LICSW126363 (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
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 11 River StWellesley, MA 02481-2017Phone: (781) 431-1177
Registry dates
- Enumerated
- 2017-10-27
- Last updated
- 2025-10-06
- Certified
- 2025-10-06
Frequently asked questions
- What is Marisa Greaves's NPI number?
- Marisa Greaves's National Provider Identifier (NPI) is 1457863672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Greaves's specialty?
- Marisa Greaves is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marisa Greaves located?
- Marisa Greaves's practice location on file with NPPES is 108 Merrimack St, Haverhill, MA 01830-5210.
- What is Marisa Greaves's phone number?
- The practice phone number listed in the NPPES registry for Marisa Greaves is (833) 510-4357.
- Does Marisa Greaves accept Medicare?
- Marisa Greaves is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Greaves's NPI active?
- Yes — Marisa Greaves's NPI (1457863672) is active in the NPPES registry as of the last update on 2025-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.