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SUSAN N GRAMMATICO DNP FNP LLC
NPI 1538053400
Nurse Practitioner - Family in New Milford, CT

Active since June 05, 2025
15 OLD PARK LANE RD STE 100, NEW MILFORD, CT 06776(860) 488-4863(833) 974-4934 Get Directions Write a Review

NPPES record last updated: June 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Susan N Grammatico Dnp Fnp Llc NPPES

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

SUSAN N GRAMMATICO DNP FNP LLC (NPI 1538053400), doing business as Heartwood, is a healthcare organization registered as a family in New Milford, Connecticut and active in the NPI registry since June 2025. The organization lists Susan N Grammatico, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1538053400
Entity TypeOrganization
Primary Taxonomy363LF0000X
Legal Business NameSUSAN N GRAMMATICO DNP FNP LLC
Location Address15 OLD PARK LANE RD STE 100New Milford, CT 06776-2530
Mailing Address15 Old Park Lane Rd Ste 100New Milford, CT 06776-2530 · (860) 488-4863 · Fax (833) 974-4934
Phone(860) 488-4863
Fax(833) 974-4934
Organization SubpartNo
Authorized OfficialSusan N GrammaticoOwner/physician · (860) 488-4863
Enumeration DateJune 5, 2025
NPPES CertifiedJune 5, 2025
✔ NPI 1538053400 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
15 OLD PARK LANE RD STE 100, New Milford, CT 06776
Open in Google Maps ↗

Other Names 1

Doing Business AsHeartwood

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)

Susan N Grammatico Dnp Fnp 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 Susan N Grammatico Dnp Fnp LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Susan Grammatico, RN, APRN,DNP,FNP
Nurse Practitioner
NPI 1669528618
15 OLD PARK LANE RD STE 100
New Milford, CT 06776
(860) 333-8697
✔ 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 Susan N Grammatico Dnp Fnp LLC's NPI number?

The NPI number for Susan N Grammatico Dnp Fnp LLC is 1538053400. It was assigned to this organization in the NPPES registry on June 5, 2025. The provider is doing business as Heartwood.

Where is Susan N Grammatico Dnp Fnp LLC located?

Susan N Grammatico Dnp Fnp LLC is located at 15 Old Park Lane Rd Ste 100, New Milford, CT 06776. The listed phone number is (860) 488-4863.

What is Susan N Grammatico Dnp Fnp LLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Susan N Grammatico Dnp Fnp LLC enrolled in Medicare?

Yes. Susan N Grammatico Dnp Fnp LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Susan N Grammatico Dnp Fnp LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Susan N Grammatico Dnp Fnp 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 Susan N Grammatico Dnp Fnp LLC was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.