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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE COWAN
NPI 1720929763
Counselor in Hanover, NH

Active since April 03, 2026
53 S MAIN ST STE 206, HANOVER, NH 03755(603) 865-1321 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 8, 2026, Apr 3, 2026 (2 updates tracked since 2026).

About Katherine Cowan NPPES

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

KATHERINE COWAN (NPI 1720929763) is an individual counselor in Hanover, New Hampshire and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1720929763
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameKATHERINE COWAN
Location Address53 S MAIN ST STE 206Hanover, NH 03755-2022
Mailing Address35 Newport RdNew London, NH 03257-5413 · (603) 865-1321
Phone(603) 865-1321
Sole ProprietorNo
Enumeration DateApril 3, 2026
Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1720929763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
53 S MAIN ST STE 206, Hanover, NH 03755
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Other Providers at the Same Location NPPES 6

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

EMILY GRAVENHORST LICSW
Social Worker (Clinical)
53 S MAIN ST STE 206
HANOVER, NH 03755
Grafton County (603) 865-1321
HEIDI MARKETICH
Counselor
53 S MAIN ST STE 206
HANOVER, NH 03755
Grafton County (603) 865-1321
VANESSA PRENDES
Counselor (Mental Health)
53 S MAIN ST STE 206
HANOVER, NH 03755
Grafton County (603) 865-1321
KATIE SULLIVAN CMHC
Counselor
53 S MAIN ST STE 206
HANOVER, NH 03755
Grafton County (603) 865-1321
JOSIE MARIE JENKINS LICSW
Social Worker (Clinical)
53 S MAIN ST STE 206
HANOVER, NH 03755
Grafton County (603) 865-1321
ELEANOR ASHTON
Student in an Organized Health Care Education/Training Program
53 S MAIN ST STE 206
HANOVER, NH 03755
Grafton County (603) 865-1321

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 Katherine Cowan's NPI number?

The NPI number for Katherine Cowan is 1720929763. It was assigned to this individual provider in the NPPES registry on April 3, 2026.

Where is Katherine Cowan located?

Katherine Cowan practices at 53 S Main St Ste 206, Hanover, NH 03755. The listed phone number is (603) 865-1321.

What is Katherine Cowan's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Katherine Cowan was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.