Olivia Lewis Chang, PHD
NPI 1588743553 · Psychologist · Union, NJ
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Lewis Chang, PHD is a Psychologist provider in Union, NJ (NPI 1588743553).
Provider details
- NPI number
- 1588743553
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- NJ3615 (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
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
- 2006-11-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Olivia Lewis Chang's NPI number?
- Olivia Lewis Chang's National Provider Identifier (NPI) is 1588743553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Lewis Chang's specialty?
- Olivia Lewis Chang is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Olivia Lewis Chang located?
- Olivia Lewis Chang's practice location on file with NPPES is 2424 Morris Avenue, Union, NJ 07083.
- What is Olivia Lewis Chang's phone number?
- The practice phone number listed in the NPPES registry for Olivia Lewis Chang is (908) 687-7797.
- Does Olivia Lewis Chang accept Medicare?
- Olivia Lewis Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Lewis Chang's NPI active?
- Yes — Olivia Lewis Chang's NPI (1588743553) 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.