Marvinleibowitz, PH.D., LLC
NPI 1619297660 · Clinical Psychologist · Ridgewood, NJ
Marvinleibowitz, PH.D., LLC is a Clinical Psychologist organization in Ridgewood, NJ (NPI 1619297660).
Provider details
- NPI number
- 1619297660
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Marvin Leibowitz, General Partner(201) 445-6378
- License
- 35S100088200 (NJ)
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
16 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
- 2010-06-01
- Last updated
- 2010-06-01
Frequently asked questions
- What is Marvinleibowitz, PH.D., LLC's NPI number?
- Marvinleibowitz, PH.D., LLC's National Provider Identifier (NPI) is 1619297660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marvinleibowitz, PH.D., LLC?
- Marvinleibowitz, PH.D., LLC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Marvinleibowitz, PH.D., LLC located?
- Marvinleibowitz, PH.D., LLC's practice location on file with NPPES is 61 N Maple Ave, Ridgewood, NJ 07450-3255.
- What is Marvinleibowitz, PH.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for Marvinleibowitz, PH.D., LLC is (201) 445-6378.
- Who is the authorized official for Marvinleibowitz, PH.D., LLC?
- The authorized official listed on Marvinleibowitz, PH.D., LLC's NPPES record is Marvin Leibowitz, General Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marvinleibowitz, PH.D., LLC's NPI active?
- Yes — Marvinleibowitz, PH.D., LLC's NPI (1619297660) is active in the NPPES registry as of the last update on 2010-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.