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NIELS WILLIAM NIELSEN LISW
NPI 1013040963
Social Worker in Willoughby, OH

Active since March 13, 2007
38879 MENTOR AVE, SUITE C, WILLOUGHBY, OH 44094(440) 953-9999(440) 918-3839 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Niels William Nielsen Lisw NPPES

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

NIELS WILLIAM NIELSEN LISW (NPI 1013040963) is an individual social worker in Willoughby, Ohio, licensed in Ohio (I2504) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1013040963
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameNIELS WILLIAM NIELSENCredential: LISW
Location Address38879 MENTOR AVE, SUITE CWilloughby, OH 44094-7992
Mailing Address38879 Mentor Ave, Suite CWilloughby, OH 44094-7992 · (440) 953-9999 · Fax (440) 918-3839
Phone(440) 953-9999
Fax(440) 918-3839
Sole ProprietorNo
Enumeration DateMarch 13, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1013040963 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in OH · I2504
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselorTaxonomy 101Y00000X · License I2504 (OH)
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License I2504 (OH)
38879 MENTOR AVE, Willoughby, OH 44094
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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.

EMILY WYERMAN CAPURIA LISW
Counselor (Mental Health)
38879 MENTOR AVE, SUITE C
WILLOUGHBY, OH 44094
Lake County (440) 953-9999
CHRISTINA ALICIA BERARDINELLI R.N., L.P.C.C.
Registered Nurse (Psychiatric/Mental Health)
38879 MENTOR AVE, SUITE C
WILLOUGHBY, OH 44094
Lake County (440) 953-9999
JAYANT S CHOURE M.D.
Psychiatry & Neurology (Psychiatry)
38879 MENTOR AVE, SUITE C
WILLOUGHBY, OH 44094
Lake County (440) 953-9999

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 Niels Nielsen's NPI number?

The NPI number for Niels Nielsen is 1013040963. It was assigned to this individual provider in the NPPES registry on March 13, 2007.

Where is Niels Nielsen located?

Niels Nielsen practices at 38879 Mentor Ave Suite C, Willoughby, OH 44094. The listed phone number is (440) 953-9999.

What is Niels Nielsen's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Niels Nielsen was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.