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KAREN G ANDERSON, LLC
NPI 1790636967
Clinical Nurse Specialist - Psychiatric/Mental Health, Adult in Westborough, MA

Active since February 04, 2026
45 LYMAN ST STE 19, WESTBOROUGH, MA 01581(508) 366-2271(508) 366-5948 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen G Anderson, Llc NPPES

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

KAREN G ANDERSON, LLC (NPI 1790636967) is a healthcare organization registered as a psychiatric/mental health, adult in Westborough, Massachusetts and active in the NPI registry since February 2026. The organization lists Karen G Anderson, Psych Clinical Nurse Specialist, as its authorized official.

NPPES Registry Identity

NPI1790636967
Entity TypeOrganization
Primary Taxonomy364SP0809X
Legal Business NameKAREN G ANDERSON, LLC
Location Address45 LYMAN ST STE 19Westborough, MA 01581-2658
Mailing Address45 Lyman St Ste 19Westborough, MA 01581-2658 · (508) 366-2271 · Fax (508) 366-5948
Phone(508) 366-2271
Fax(508) 366-5948
Organization SubpartNo
Authorized OfficialKaren G AndersonPsych Clinical Nurse Specialist · (508) 259-3060
Enumeration DateFebruary 4, 2026
NPPES CertifiedFebruary 4, 2026
✔ NPI 1790636967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Nurse Specialist · Psychiatric/Mental Health, AdultPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364SP0809X
45 LYMAN ST STE 19, Westborough, MA 01581
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen G Anderson, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Karen G Anderson, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Karen Anderson, APRN
Certified Clinical Nurse Specialist (CNS)
NPI 1376589713
45 LYMAN ST SUITE 19
Westborough, MA 01581
(508) 366-2271
✔ PECOS✔ Accepts MedicareSame address

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

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 Karen G Anderson, LLC's NPI number?

The NPI number for Karen G Anderson, LLC is 1790636967. It was assigned to this organization in the NPPES registry on February 4, 2026.

Where is Karen G Anderson, LLC located?

Karen G Anderson, LLC is located at 45 Lyman St Ste 19, Westborough, MA 01581. The listed phone number is (508) 366-2271.

What is Karen G Anderson, LLC's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 364SP0809X.

Is Karen G Anderson, LLC enrolled in Medicare?

Yes. Karen G Anderson, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Karen G Anderson, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Certified Clinical Nurse Specialist (CNS)) reassigns their Medicare billing to Karen G Anderson, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Karen G Anderson, LLC was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.