Stacey Mastromatteo, LICSW
NPI 1831421007 · Clinical Social Worker · Natick, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stacey Mastromatteo, LICSW is a Clinical Social Worker provider in Natick, MA (NPI 1831421007).
Provider details
- NPI number
- 1831421007
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1022040 (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
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
- 2010-02-12
- Last updated
- 2025-05-15
- Certified
- 2025-05-15
Frequently asked questions
- What is Stacey Mastromatteo's NPI number?
- Stacey Mastromatteo's National Provider Identifier (NPI) is 1831421007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stacey Mastromatteo's specialty?
- Stacey Mastromatteo is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Stacey Mastromatteo located?
- Stacey Mastromatteo's practice location on file with NPPES is 13 Riverbend Dr, Natick, MA 01760-5545.
- What is Stacey Mastromatteo's phone number?
- The practice phone number listed in the NPPES registry for Stacey Mastromatteo is (508) 353-9252.
- Does Stacey Mastromatteo accept Medicare?
- Stacey Mastromatteo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stacey Mastromatteo's NPI active?
- Yes — Stacey Mastromatteo's NPI (1831421007) is active in the NPPES registry as of the last update on 2025-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.