Margaret Chan, PH.D.
NPI 1790935138 · Psychologist · Piscataway, NJ
Margaret Chan, PH.D. is a Psychologist provider in Piscataway, NJ (NPI 1790935138).
Provider details
- NPI number
- 1790935138
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Psychologist103T00000X
Behavioral Health & Social Service Providers
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
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2008-09-23
- Last updated
- 2010-07-16
Frequently asked questions
- What is Margaret Chan's NPI number?
- Margaret Chan's National Provider Identifier (NPI) is 1790935138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Chan's specialty?
- Margaret Chan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Margaret Chan located?
- Margaret Chan's practice location on file with NPPES is 671 Hoes Lane West, Piscataway, NJ 08855.
- What is Margaret Chan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Chan is (800) 969-5300.
- Is Margaret Chan's NPI active?
- Yes — Margaret Chan's NPI (1790935138) is active in the NPPES registry as of the last update on 2010-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.