Mary Sonntag, LCSW
NPI 1396962890 · Psychoanalyst · New York, NY
Mary Sonntag, LCSW is a Psychoanalyst provider in New York, NY (NPI 1396962890).
Provider details
- NPI number
- 1396962890
- Entity type
- Individual
- Primary specialty
- PsychoanalystBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- R053798-1 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Other 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
- 2007-04-19
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mary Sonntag's NPI number?
- Mary Sonntag's National Provider Identifier (NPI) is 1396962890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sonntag's specialty?
- Mary Sonntag is listed in the NPPES registry with a primary specialty of Psychoanalyst (Behavioral Health & Social Service Providers).
- Where is Mary Sonntag located?
- Mary Sonntag's practice location on file with NPPES is 37 W 57th St, New York, NY 10019-3411.
- What is Mary Sonntag's phone number?
- The practice phone number listed in the NPPES registry for Mary Sonntag is (212) 838-1961.
- Is Mary Sonntag's NPI active?
- Yes — Mary Sonntag's NPI (1396962890) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.