Mary Denning, LCSW
NPI 1174999437 · Clinical Social Worker · Farmingdale, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Denning, LCSW is a Clinical Social Worker provider in Farmingdale, NY (NPI 1174999437).
Provider details
- NPI number
- 1174999437
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 087201 (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
10 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
- 2015-08-20
- Last updated
- 2023-07-03
- Certified
- 2023-07-03
Frequently asked questions
- What is Mary Denning's NPI number?
- Mary Denning's National Provider Identifier (NPI) is 1174999437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Denning's specialty?
- Mary Denning is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Denning located?
- Mary Denning's practice location on file with NPPES is 1111 Broadhollow Rd, Farmingdale, NY 11735-4820.
- What is Mary Denning's phone number?
- The practice phone number listed in the NPPES registry for Mary Denning is (631) 741-7719.
- Does Mary Denning accept Medicare?
- Mary Denning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Denning's NPI active?
- Yes — Mary Denning's NPI (1174999437) is active in the NPPES registry as of the last update on 2023-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.