Stacy Mason, LMSW
NPI 1851452361 · Clinical Social Worker · Brewster, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stacy Mason, LMSW is a Clinical Social Worker provider in Brewster, NY (NPI 1851452361).
Provider details
- NPI number
- 1851452361
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 056109 (NY)
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
- 2006-12-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stacy Mason's NPI number?
- Stacy Mason's National Provider Identifier (NPI) is 1851452361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stacy Mason's specialty?
- Stacy Mason is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Stacy Mason located?
- Stacy Mason's practice location on file with NPPES is 2424 Route 6, Brewster, NY 10509-2539.
- What is Stacy Mason's phone number?
- The practice phone number listed in the NPPES registry for Stacy Mason is (845) 216-0388.
- Does Stacy Mason accept Medicare?
- Stacy Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stacy Mason's NPI active?
- Yes — Stacy Mason's NPI (1851452361) 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.