Michael Leiman, CSW
NPI 1801953930 · Clinical Social Worker · New York, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Leiman, CSW is a Clinical Social Worker provider in New York, NY (NPI 1801953930).
Provider details
- NPI number
- 1801953930
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- CSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- R0302691 (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
- 2007-01-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Leiman's NPI number?
- Michael Leiman's National Provider Identifier (NPI) is 1801953930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Leiman's specialty?
- Michael Leiman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Michael Leiman located?
- Michael Leiman's practice location on file with NPPES is 211 W 56th St Apt 9h, New York, NY 10019-4318.
- What is Michael Leiman's phone number?
- The practice phone number listed in the NPPES registry for Michael Leiman is (212) 977-5562.
- Does Michael Leiman accept Medicare?
- Michael Leiman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Leiman's NPI active?
- Yes — Michael Leiman's NPI (1801953930) 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.