William H. Clark, PH.D.
NPI 1851984280 · Clinical Psychologist · Ho Ho Kus, NJ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William H. Clark, PH.D. is a Clinical Psychologist organization in Ho Ho Kus, NJ (NPI 1851984280).
Provider details
- NPI number
- 1851984280
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- William Clark, Psychologist(201) 689-8293
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
5 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
- 2021-02-17
- Last updated
- 2021-02-17
- Certified
- 2021-02-17
Frequently asked questions
- What is William H. Clark, PH.D.'s NPI number?
- William H. Clark, PH.D.'s National Provider Identifier (NPI) is 1851984280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William H. Clark, PH.D.?
- William H. Clark, PH.D. is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William H. Clark, PH.D. located?
- William H. Clark, PH.D.'s practice location on file with NPPES is 50 N Franklin Tpke Ste 110, Ho Ho Kus, NJ 07423-1562.
- What is William H. Clark, PH.D.'s phone number?
- The practice phone number listed in the NPPES registry for William H. Clark, PH.D. is (201) 689-8293.
- Does William H. Clark, PH.D. accept Medicare?
- William H. Clark, PH.D. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for William H. Clark, PH.D.?
- The authorized official listed on William H. Clark, PH.D.'s NPPES record is William Clark, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William H. Clark, PH.D.'s NPI active?
- Yes — William H. Clark, PH.D.'s NPI (1851984280) is active in the NPPES registry as of the last update on 2021-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.