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.

IndividualActive

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)

Practice location

2312 Whitehorse Mercerville Rd

Suite 101

Mercerville, NJ 08619-1953

Phone: (609) 586-4591

Fax: (609) 588-8688

Street-level locationGet directions

More NJ providers

Mailing address

2312 Whitehorse Mercerville Rd

Mercerville, NJ 08619-1953

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 35SI00112400 (NJ)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(90/100 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.

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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions