IndividualActive
Theodore D'Alessio
NPI 1043692130 · Behavior Analyst · Mamaroneck, NY
Theodore D'Alessio is a Behavior Analyst provider in Mamaroneck, NY (NPI 1043692130).
Provider details
- NPI number
- 1043692130
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 820144141 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
1215 Mamaroneck Ave
Mamaroneck, NY 10543-1203
Phone: (973) 714-8239
Approximate (ZIP-level) locationGet directions
Mailing address
1215 Mamaroneck Ave
Mamaroneck, NY 10543-1203
Registry dates
- Enumerated
- 2015-06-24
- Last updated
- 2015-06-24
Frequently asked questions
- What is Theodore D'Alessio's NPI number?
- Theodore D'Alessio's National Provider Identifier (NPI) is 1043692130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore D'Alessio's specialty?
- Theodore D'Alessio is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Theodore D'Alessio located?
- Theodore D'Alessio's practice location on file with NPPES is 1215 Mamaroneck Ave, Mamaroneck, NY 10543-1203.
- What is Theodore D'Alessio's phone number?
- The practice phone number listed in the NPPES registry for Theodore D'Alessio is (973) 714-8239.
- Is Theodore D'Alessio's NPI active?
- Yes — Theodore D'Alessio's NPI (1043692130) is active in the NPPES registry as of the last update on 2015-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.