Karen Mahoney-Malcomson, LMSW
NPI 1477734549 · Social Worker · West Hempstead, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Mahoney-Malcomson, LMSW is a Social Worker provider in West Hempstead, NY (NPI 1477734549).
Provider details
- NPI number
- 1477734549
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 073294-1 (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
18 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
- 2007-11-17
- Last updated
- 2007-11-17
Frequently asked questions
- What is Karen Mahoney-Malcomson's NPI number?
- Karen Mahoney-Malcomson's National Provider Identifier (NPI) is 1477734549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mahoney-Malcomson's specialty?
- Karen Mahoney-Malcomson is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Karen Mahoney-Malcomson located?
- Karen Mahoney-Malcomson's practice location on file with NPPES is 600 Hempstead Tpke, West Hempstead, NY 11552-1095.
- What is Karen Mahoney-Malcomson's phone number?
- The practice phone number listed in the NPPES registry for Karen Mahoney-Malcomson is (516) 481-2890.
- Does Karen Mahoney-Malcomson accept Medicare?
- Karen Mahoney-Malcomson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Mahoney-Malcomson's NPI active?
- Yes — Karen Mahoney-Malcomson's NPI (1477734549) is active in the NPPES registry as of the last update on 2007-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.