Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Susan N Grammatico, RN, APRN,DNP,FNP

Family Nurse Practitioner in New Milford, CT · enumerated 2007 · practices at Susan N Grammatico Dnp Fnp LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1669528618

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Registry record

Entity type Individual (Type 1)

Name Susan N Grammatico

Credential RN, APRN,DNP,FNP

Sex Female

Practice address New Milford, CT, 06776

Phone (860) 333-8697

Enumeration date Jan 25, 2007

Last updated in NPPES Jun 5, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 002547 (CT) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Other identifiers

Identifier	Type	State	Issuer
038868	Other	-	HEALTHNET
102547	Other	-	CONNECTICARE
400002547CT01	Other	-	BLUE CROSS BLUE SHIELD

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Susan Grammatico?

The National Provider Identifier (NPI) for Susan Grammatico is 1669528618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Susan Grammatico practice?

The practice location on file with NPPES is in New Milford, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Susan N Grammatico Dnp Fnp LLC Family Nurse Practitioner · New Milford, CT NPI 1538053400

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-05.