IndividualActive
Gretchen Winterkorn, LMSW
NPI 1376821868 · Social Worker · New York, NY
Gretchen Winterkorn, LMSW is a Social Worker provider in New York, NY (NPI 1376821868).
Provider details
- NPI number
- 1376821868
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- LMSW
- Sex
- Female
- Sole proprietor
- No
- License
- 080258 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
121 W 20th St
New York, NY 10011-3641
Phone: (212) 337-9277
Street-level locationGet directions
Mailing address
121 W 20th St
New York, NY 10011-3641
Registry dates
- Enumerated
- 2011-08-01
- Last updated
- 2013-04-12
Frequently asked questions
- What is Gretchen Winterkorn's NPI number?
- Gretchen Winterkorn's National Provider Identifier (NPI) is 1376821868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Winterkorn's specialty?
- Gretchen Winterkorn is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Gretchen Winterkorn located?
- Gretchen Winterkorn's practice location on file with NPPES is 121 W 20th St, New York, NY 10011-3641.
- What is Gretchen Winterkorn's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Winterkorn is (212) 337-9277.
- Is Gretchen Winterkorn's NPI active?
- Yes — Gretchen Winterkorn's NPI (1376821868) is active in the NPPES registry as of the last update on 2013-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.