Mary Catherine Smith, LCSW
NPI 1841684784 · Social Worker · Smithtown, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Catherine Smith, LCSW is a Social Worker provider in Smithtown, NY (NPI 1841684784).
Provider details
- NPI number
- 1841684784
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 092496 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
11 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
- 2015-03-27
- Last updated
- 2019-10-16
Frequently asked questions
- What is Mary Catherine Smith's NPI number?
- Mary Catherine Smith's National Provider Identifier (NPI) is 1841684784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Catherine Smith's specialty?
- Mary Catherine Smith is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Catherine Smith located?
- Mary Catherine Smith's practice location on file with NPPES is 22 Lawrence Ave, Ste 213, Castle Counseling, Smithtown, NY 11787.
- What is Mary Catherine Smith's phone number?
- The practice phone number listed in the NPPES registry for Mary Catherine Smith is (631) 219-0532.
- Does Mary Catherine Smith accept Medicare?
- Mary Catherine Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Catherine Smith's NPI active?
- Yes — Mary Catherine Smith's NPI (1841684784) is active in the NPPES registry as of the last update on 2019-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.