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Sydney Ratner, LCSW
NPI 1164619037 · Clinical Social Worker · New York, NY
Sydney Ratner, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1164619037).
Provider details
- NPI number
- 1164619037
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- PRO18482 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
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
875 West End Ave
Apt. 3f
New York, NY 10025-4951
Phone: (212) 749-6254
Fax: (212) 662-4994
Street-level locationGet directions
Mailing address
875 W End Ave
New York, NY 10025-4919
Registry dates
- Enumerated
- 2007-09-25
- Last updated
- 2007-09-25
Frequently asked questions
- What is Sydney Ratner's NPI number?
- Sydney Ratner's National Provider Identifier (NPI) is 1164619037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Ratner's specialty?
- Sydney Ratner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sydney Ratner located?
- Sydney Ratner's practice location on file with NPPES is 875 West End Ave, New York, NY 10025-4951.
- What is Sydney Ratner's phone number?
- The practice phone number listed in the NPPES registry for Sydney Ratner is (212) 749-6254.
- Is Sydney Ratner's NPI active?
- Yes — Sydney Ratner's NPI (1164619037) is active in the NPPES registry as of the last update on 2007-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.