Isabel Meltzer, LCSW
NPI 1538183082 · Clinical Social Worker · Riverhead, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabel Meltzer, LCSW is a Clinical Social Worker provider in Riverhead, NY (NPI 1538183082).
Provider details
- NPI number
- 1538183082
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R045112 (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
19 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
- 2006-07-27
- Last updated
- 2018-03-06
Frequently asked questions
- What is Isabel Meltzer's NPI number?
- Isabel Meltzer's National Provider Identifier (NPI) is 1538183082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Meltzer's specialty?
- Isabel Meltzer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Isabel Meltzer located?
- Isabel Meltzer's practice location on file with NPPES is 36 E 2nd St, Riverhead, NY 11901-4731.
- What is Isabel Meltzer's phone number?
- The practice phone number listed in the NPPES registry for Isabel Meltzer is (631) 208-9219.
- Does Isabel Meltzer accept Medicare?
- Isabel Meltzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabel Meltzer's NPI active?
- Yes — Isabel Meltzer's NPI (1538183082) is active in the NPPES registry as of the last update on 2018-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.