1. Home
  2. Directory
  3. New Hampshire
  4. Derry
  5. Counselor
  6. NPI Profile

KATHERINE MASCARO LCMHC
NPI 1053287573
Counselor - Mental Health in Derry, NH

Active since October 13, 2025PECOS Enrolled
10 TSIENNETO RD, DERRY, NH 03038(603) 965-9942 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Katherine Mascaro Lcmhc NPPES

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

KATHERINE MASCARO LCMHC (NPI 1053287573) is an individual mental health provider in Derry, New Hampshire, licensed in New Hampshire (5579) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1053287573
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATHERINE MASCAROCredential: LCMHC
Location Address10 TSIENNETO RDDerry, NH 03038-1505
Mailing Address10 Tsienneto RdDerry, NH 03038-1505 · (603) 965-9942
Phone(603) 965-9942
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 13, 2025
NPPES CertifiedOctober 13, 2025
✔ NPI 1053287573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NH · 5579
10 TSIENNETO RD, Derry, NH 03038
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Mascaro Lcmhc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID143788893
PECOS Enrollment IDI20260813002322
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Mascaro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mental Health Center For Southern New Hampshire Inc
Same address
Mental Health (Including Community Mental Health Center)
10 TSIENNETO RD
Derry, NH 03038
  • Reassigned Medicare billing, New Hampshire enrollment
  • 35 clinicians in this Medicare group
NPI 1003914466 (603) 434-1577

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

SARAH BADAMI
Counselor (Mental Health)
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577
CATHERINE BOLDUC
Case Manager/Care Coordinator
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577
MENTAL HEALTH CENTER FOR SOUTHERN NEW HAMPSHIRE INC
Clinic/Center (Mental Health (Including Community Mental Health Center))
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577
VALERIE VIGUE LCMHC
Counselor (Mental Health)
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577
STEPHANIE CUTHBERT
Counselor (Mental Health)
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577
EMILY JACKSON
Counselor (Mental Health)
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 965-0761
ALEX REARDON
Nurse Practitioner (Psychiatric/Mental Health)
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577
ANNE WALSH
Community Health Worker
10 TSIENNETO RD
DERRY, NH 03038
Rockingham County (603) 434-1577

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 Mascaro's NPI number?

The NPI number for Katherine Mascaro is 1053287573. It was assigned to this individual provider in the NPPES registry on October 13, 2025.

Where is Katherine Mascaro located?

Katherine Mascaro practices at 10 Tsienneto Rd, Derry, NH 03038. The listed phone number is (603) 965-9942.

What is Katherine Mascaro's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Katherine Mascaro enrolled in Medicare?

Yes. Katherine Mascaro is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Mascaro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mascaro reassigns Medicare benefits to Mental Health Center For Southern New Hampshire Inc (Derry, NH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Mascaro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Mascaro was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.