Active NPI
Susan N Grammatico DNP FNP LLC
- Family Nurse Practitioner
- New Milford, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- Legal business name
- SUSAN N GRAMMATICO DNP FNP LLC
- Practice address
- 15 Old Park Lane Rd Ste 100
New Milford, CT 06776-2530 - Phone
- (860) 488-4863
- Fax
- (833) 974-4934
- NPI assigned
- Jun 5, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Susan N Grammatico, DNP, FNP
- Title
- Owner/Physician
- Phone
- (860) 488-4863
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | Primary |
Addresses
Primary practice location
15 Old Park Lane Rd Ste 100
New Milford, CT 06776-2530
Mailing address
15 Old Park Lane Rd Ste 100
New Milford, CT 06776-2530
Phone (860) 488-4863
Other names 1
- Heartwood
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
Enrollment records 1
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 07D2329055 | Heartwood | Certificate of waiver | Aug 20, 2027 |
National Provider Directory
National Provider DirectoryLocations
15 Old Park Lane Rd
Ste 100
New Milford, CT 06776
Phone (860) 333-8697
Interoperability endpoints
- https://api.platform.athenahealth.com/15933/brand/1/csg/1/fhir/r4
Practitioners & affiliated clinicians
Practitioners 3
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Family Nurse Practitioner
- New Milford, CT
- NPI 1669528618
-
- Internal Medicine Physician
- Southbury, CT
- NPI 1275621625
-
- Internal Medicine Physician
- Monroe, CT
- NPI 1679835748
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1749081600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1749081600000",
"number": "1538053400",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15 OLD PARK LANE RD STE 100",
"city": "NEW MILFORD",
"state": "CT",
"postal_code": "067762530",
"telephone_number": "860-488-4863",
"fax_number": "833-974-4934"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15 OLD PARK LANE RD STE 100",
"city": "NEW MILFORD",
"state": "CT",
"postal_code": "067762530",
"telephone_number": "860-488-4863",
"fax_number": "833-974-4934"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "SUSAN N GRAMMATICO DNP FNP LLC",
"organizational_subpart": "NO",
"enumeration_date": "2025-06-05",
"last_updated": "2025-06-05",
"certification_date": "2025-06-05",
"status": "A",
"authorized_official_last_name": "GRAMMATICO",
"authorized_official_first_name": "SUSAN",
"authorized_official_middle_name": "N",
"authorized_official_title_or_position": "OWNER/PHYSICIAN",
"authorized_official_telephone_number": "860-488-4863",
"authorized_official_credential": "DNP, FNP"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Nurse Practitioner, Family",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "Heartwood",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in New Milford, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.