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Phyllis Sivin, LCSWR
NPI 1598970527 · Clinical Social Worker · New York, NY
Phyllis Sivin, LCSWR is a Clinical Social Worker provider in New York, NY (NPI 1598970527).
Provider details
- NPI number
- 1598970527
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSWR
- Sex
- Female
- Sole proprietor
- Yes
- License
- 051960 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
41 E 11th St
Fourth Floor
New York, NY 10003-4602
Phone: (347) 414-6396
Street-level locationGet directions
Mailing address
289 Baltic St
Brooklyn, NY 11201-6404
Registry dates
- Enumerated
- 2007-05-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Phyllis Sivin's NPI number?
- Phyllis Sivin's National Provider Identifier (NPI) is 1598970527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phyllis Sivin's specialty?
- Phyllis Sivin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Phyllis Sivin located?
- Phyllis Sivin's practice location on file with NPPES is 41 E 11th St, New York, NY 10003-4602.
- What is Phyllis Sivin's phone number?
- The practice phone number listed in the NPPES registry for Phyllis Sivin is (347) 414-6396.
- Is Phyllis Sivin's NPI active?
- Yes — Phyllis Sivin's NPI (1598970527) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.