KATHARINE NIVEN LMHC
NPI 1811665052
Counselor - Addiction (Substance Use Disorder) in Hull, MA

Q: What is Katharine Niven's NPI number?

The NPI number for Katharine Niven is 1811665052. It was assigned to this individual provider in the NPPES registry on September 2, 2021.

Q: What is Katharine Niven's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Katharine Niven was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since September 02, 2021

534 NANTASKET AVE UNIT A, HULL, MA 02045(978) 430-7188 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Katharine Niven Lmhc NPPES

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

KATHARINE NIVEN LMHC (NPI 1811665052) is an individual addiction (substance use disorder) provider in Hull, Massachusetts and active in the NPI registry since September 2021.

NPPES Registry Identity

NPI1811665052

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameKATHARINE NIVENCredential: LMHC

Location Address534 NANTASKET AVE UNIT AHull, MA 02045-2521

Mailing Address534 Nantasket Ave Unit AHull, MA 02045-2521

Phone(978) 430-7188

Sole ProprietorNo

Enumeration DateSeptember 2, 2021

Last NPPES UpdateApril 27, 2026

NPPES CertifiedApril 27, 2026

✔ NPI 1811665052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 10005956 (MA)

534 NANTASKET AVE UNIT A, Hull, MA 02045

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Other Providers at the Same Location NPPES

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

INNERMORE TIDES COUNSELING LLC

Clinic/Center (Mental Health (Including Community Mental Health Center))

534 NANTASKET AVE UNIT A
HULL, MA 02045

Plymouth County (978) 430-7188

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 Katharine Niven's NPI number?

The NPI number for Katharine Niven is 1811665052. It was assigned to this individual provider in the NPPES registry on September 2, 2021.

Where is Katharine Niven located?

Katharine Niven practices at 534 Nantasket Ave Unit A, Hull, MA 02045. The listed phone number is (978) 430-7188.

What is Katharine Niven's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Katharine Niven was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.