WILLIAM CLARK LPC, LCADC
NPI 1932528312
Counselor - Professional in Upper Montclair, NJ

Q: What is William Clark's NPI number?

The NPI number for William Clark is 1932528312. It was assigned to this individual provider in the NPPES registry on April 14, 2014.

Q: What is William Clark's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Q: When was this NPI record last updated?

The NPPES record for William Clark was last updated on August 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 14, 2014

209 COOPER AVENUE, SUITE 2, UPPER MONTCLAIR, NJ 07043(973) 220-9864(973) 807-9363 Get Directions Write a Review

NPPES record last updated: August 18, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About William Clark Lpc, Lcadc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM CLARK LPC, LCADC (NPI 1932528312) is an individual professional provider in Upper Montclair, New Jersey, licensed in New Jersey (37PC00492700) and active in the NPI registry since April 2014.

NPPES Registry Identity

NPI1932528312

Entity TypeIndividualMale

Primary Taxonomy101YP2500X

Provider Legal NameWILLIAM CLARKCredential: LPC, LCADC

Location Address209 COOPER AVENUE, SUITE 2Upper Montclair, NJ 07043-1850

Mailing Address209 Cooper Avenue, Suite 2Upper Montclair, NJ 07043-1850 · (973) 220-9864 · Fax (973) 807-9363

Phone(973) 220-9864

Fax(973) 807-9363

Sole ProprietorYes

Enumeration DateApril 14, 2014

Last NPPES UpdateAugust 18, 2016

✔ NPI 1932528312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in NJ · 37PC00492700

Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 37LC00186000 (NJ)

209 COOPER AVENUE, Upper Montclair, NJ 07043

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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ELIZABETH ANNE CIERI PSY.D.

Psychologist

209 COOPER AVENUE, SUITE 10A
UPPER MONTCLAIR, NJ 07043

Essex County (973) 509-0090

MS. KAREN BETH ROSEN LCSW

Social Worker (Clinical)

209 COOPER AVENUE, SUITE 5C
UPPER MONTCLAIR, NJ 07043

Essex County (973) 509-2955

RANDY CLARK LPC LLC

Community/Behavioral Health

209 COOPER AVENUE, SUITE 2
UPPER MONTCLAIR, NJ 07043

Essex County (973) 220-9864

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Clark's NPI number?

The NPI number for William Clark is 1932528312. It was assigned to this individual provider in the NPPES registry on April 14, 2014.

Where is William Clark located?

William Clark practices at 209 Cooper Avenue Suite 2, Upper Montclair, NJ 07043. The listed phone number is (973) 220-9864.

What is William Clark's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for William Clark was last updated on August 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.