Howard Leifman, CSW, PHD
NPI 1285273185 · Clinical Social Worker · New York, NY
Howard Leifman, CSW, PHD is a Clinical Social Worker provider in New York, NY (NPI 1285273185).
Provider details
- NPI number
- 1285273185
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- CSW, PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 136888 (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
6 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
- 2019-12-26
- Last updated
- 2019-12-26
- Certified
- 2019-12-26
Frequently asked questions
- What is Howard Leifman's NPI number?
- Howard Leifman's National Provider Identifier (NPI) is 1285273185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Leifman's specialty?
- Howard Leifman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Howard Leifman located?
- Howard Leifman's practice location on file with NPPES is 630 1st Ave, New York, NY 10016-3793.
- What is Howard Leifman's phone number?
- The practice phone number listed in the NPPES registry for Howard Leifman is (917) 951-6746.
- Is Howard Leifman's NPI active?
- Yes — Howard Leifman's NPI (1285273185) is active in the NPPES registry as of the last update on 2019-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.