Mahassen El-Rayess, LCSW
NPI 1386695955 · Clinical Social Worker · New York, NY
Mahassen El-Rayess, LCSW is a Clinical Social Worker provider in New York, NY (NPI 1386695955).
Provider details
- NPI number
- 1386695955
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- License
- R036653-1 (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
20 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
- 2006-05-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mahassen El-Rayess's NPI number?
- Mahassen El-Rayess's National Provider Identifier (NPI) is 1386695955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahassen El-Rayess's specialty?
- Mahassen El-Rayess is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mahassen El-Rayess located?
- Mahassen El-Rayess's practice location on file with NPPES is 423 E 23rd St, New York, NY 10010-5011.
- What is Mahassen El-Rayess's phone number?
- The practice phone number listed in the NPPES registry for Mahassen El-Rayess is (212) 686-7500.
- Is Mahassen El-Rayess's NPI active?
- Yes — Mahassen El-Rayess's NPI (1386695955) 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.