Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sindee Gerstein Family Nurse Practitioner Pllc

Family Nurse Practitioner in Mattituck, NY · enumerated 2019 · authorized official Sindee Gerstein, Fnp.

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

National Provider Identifier

1992363774

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)

Legal business name Sindee Gerstein Family Nurse Practitioner Pllc

Practice address 13105 Main Rd, Mattituck, NY, 11952

Phone (631) 500-9333

Enumeration date Jun 5, 2019

Last updated in NPPES Jun 5, 2019

Taxonomy & classification

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Sindee Gerstein

Title Fnp

Phone (516) 361-1736

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Sindee Gerstein Family Nurse Practitioner Pllc?

The NPI for Sindee Gerstein Family Nurse Practitioner Pllc is 1992363774, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Sindee Gerstein Family Nurse Practitioner Pllc?

NPPES lists Sindee Gerstein (Fnp) as the authorized official for this organization.

Providers at this address

Browse all →

Moira Mastro Clinical Social Worker · Mattituck, NY NPI 1023238193 North Fork Integrative Strategies, Inc. Community/Behavioral Health Agency · Mattituck, NY NPI 1689091662

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-05.