Abby Leefer, Licensed Clinical Social Worker, PC
NPI 1417575721 · Clinical Social Worker · Port Jefferson, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abby Leefer, Licensed Clinical Social Worker, PC is a Clinical Social Worker organization in Port Jefferson, NY (NPI 1417575721).
Provider details
- NPI number
- 1417575721
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Donna Labriola, Billing Manager(631) 553-6360
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
6 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
Other names (DBA / former)
- Other name
- Abby Leefer, Lcsw, PC
Registry dates
- Enumerated
- 2020-07-13
- Last updated
- 2020-07-13
- Certified
- 2020-07-13
Frequently asked questions
- What is Abby Leefer, Licensed Clinical Social Worker, PC's NPI number?
- Abby Leefer, Licensed Clinical Social Worker, PC's National Provider Identifier (NPI) is 1417575721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Abby Leefer, Licensed Clinical Social Worker, PC?
- Abby Leefer, Licensed Clinical Social Worker, PC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Abby Leefer, Licensed Clinical Social Worker, PC located?
- Abby Leefer, Licensed Clinical Social Worker, PC's practice location on file with NPPES is 710 Main St, Port Jefferson, NY 11777-2278.
- What is Abby Leefer, Licensed Clinical Social Worker, PC's phone number?
- The practice phone number listed in the NPPES registry for Abby Leefer, Licensed Clinical Social Worker, PC is (631) 928-9808.
- Does Abby Leefer, Licensed Clinical Social Worker, PC accept Medicare?
- Abby Leefer, Licensed Clinical Social Worker, PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Abby Leefer, Licensed Clinical Social Worker, PC?
- The authorized official listed on Abby Leefer, Licensed Clinical Social Worker, PC's NPPES record is Donna Labriola, Billing Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Abby Leefer, Licensed Clinical Social Worker, PC's NPI active?
- Yes — Abby Leefer, Licensed Clinical Social Worker, PC's NPI (1417575721) is active in the NPPES registry as of the last update on 2020-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.