IndividualActive
Marni Lefkowitz, MS
NPI 1609543826 · Specialist · Middle Island, NY
Marni Lefkowitz, MS is a Specialist provider in Middle Island, NY (NPI 1609543826).
Provider details
- NPI number
- 1609543826
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MS
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
35 Longwood Rd
Middle Island, NY 11953-2045
Phone: (631) 924-0008
Street-level locationGet directions
Mailing address
Po Box 12
Middle Island, NY 11953-0012
Registry dates
- Enumerated
- 2021-08-25
- Last updated
- 2021-08-25
- Certified
- 2021-08-25
Frequently asked questions
- What is Marni Lefkowitz's NPI number?
- Marni Lefkowitz's National Provider Identifier (NPI) is 1609543826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marni Lefkowitz's specialty?
- Marni Lefkowitz is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Marni Lefkowitz located?
- Marni Lefkowitz's practice location on file with NPPES is 35 Longwood Rd, Middle Island, NY 11953-2045.
- What is Marni Lefkowitz's phone number?
- The practice phone number listed in the NPPES registry for Marni Lefkowitz is (631) 924-0008.
- Is Marni Lefkowitz's NPI active?
- Yes — Marni Lefkowitz's NPI (1609543826) is active in the NPPES registry as of the last update on 2021-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.