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John Charuk, PHD
NPI 1942427836 · Clinical Psychologist · Mercerville, NJ
John Charuk, PHD is a Clinical Psychologist provider in Mercerville, NJ (NPI 1942427836).
Provider details
- NPI number
- 1942427836
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35SI00112400 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
2312 Whitehorse Mercerville Rd
Suite 101
Mercerville, NJ 08619-1953
Phone: (609) 586-4591
Fax: (609) 588-8688
Street-level locationGet directions
Mailing address
2312 Whitehorse Mercerville Rd
Mercerville, NJ 08619-1953
Registry dates
- Enumerated
- 2007-04-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Charuk's NPI number?
- John Charuk's National Provider Identifier (NPI) is 1942427836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Charuk's specialty?
- John Charuk is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is John Charuk located?
- John Charuk's practice location on file with NPPES is 2312 Whitehorse Mercerville Rd, Mercerville, NJ 08619-1953.
- What is John Charuk's phone number?
- The practice phone number listed in the NPPES registry for John Charuk is (609) 586-4591.
- Is John Charuk's NPI active?
- Yes — John Charuk's NPI (1942427836) 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.