IndividualActive
Jamie Marczewski, LCSW
NPI 1598362212 · Clinical Social Worker · Islip, NY
Jamie Marczewski, LCSW is a Clinical Social Worker provider in Islip, NY (NPI 1598362212).
Provider details
- NPI number
- 1598362212
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 109942 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
96 Finch Ln Apt 2a
Islip, NY 11751-3331
Phone: (516) 578-6143
Street-level locationGet directions
Mailing address
96 Finch Ln Apt 2a
Islip, NY 11751-3331
Registry dates
- Enumerated
- 2020-10-06
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Jamie Marczewski's NPI number?
- Jamie Marczewski's National Provider Identifier (NPI) is 1598362212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jamie Marczewski's specialty?
- Jamie Marczewski is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jamie Marczewski located?
- Jamie Marczewski's practice location on file with NPPES is 96 Finch Ln Apt 2a, Islip, NY 11751-3331.
- What is Jamie Marczewski's phone number?
- The practice phone number listed in the NPPES registry for Jamie Marczewski is (516) 578-6143.
- Is Jamie Marczewski's NPI active?
- Yes — Jamie Marczewski's NPI (1598362212) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.