Joseph Demeyer, PHD
NPI 1184788903 · Clinical Psychologist · Wayne, NJ
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Demeyer, PHD is a Clinical Psychologist provider in Wayne, NJ (NPI 1184788903).
Provider details
- NPI number
- 1184788903
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- SI001897 (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
- 2006-12-19
- Last updated
- 2010-10-25
Frequently asked questions
- What is Joseph Demeyer's NPI number?
- Joseph Demeyer's National Provider Identifier (NPI) is 1184788903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Demeyer's specialty?
- Joseph Demeyer is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joseph Demeyer located?
- Joseph Demeyer's practice location on file with NPPES is 1330 Hamburg Tpke, Wayne, NJ 07470-4057.
- What is Joseph Demeyer's phone number?
- The practice phone number listed in the NPPES registry for Joseph Demeyer is (973) 696-8554.
- Does Joseph Demeyer accept Medicare?
- Joseph Demeyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Demeyer's NPI active?
- Yes — Joseph Demeyer's NPI (1184788903) is active in the NPPES registry as of the last update on 2010-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.