1. Home
  2. Directory
  3. New York
  4. Port Washington
  5. Nurse Practitioner
  6. NPI Profile

DANIELLE DUFFY
NPI 1104570308
Nurse Practitioner - Adult Health in Port Washington, NY

Active since February 07, 2022PECOS Enrolled
84.47/100
CMS Quality Rating
135B MAIN ST, PORT WASHINGTON, NY 11050(516) 532-4145 Get Directions Write a Review

NPPES record last updated: August 5, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2022, Feb 7, 2022 (2 updates tracked since 2022).

About Danielle Duffy NPPES

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

DANIELLE DUFFY (NPI 1104570308) is an individual adult health provider in Port Washington, New York, licensed in Connecticut (10675) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104570308
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameDANIELLE DUFFY
Location Address135B MAIN STPort Washington, NY 11050-2801
Mailing Address2979 Main StBridgeport, CT 06606-4284 · (203) 683-5100 · Fax (203) 683-5140
Phone(516) 532-4145
Sole ProprietorYes
Enumeration DateFebruary 7, 2022
Last NPPES UpdateAugust 5, 20222 updates tracked since enumeration
NPPES CertifiedMay 10, 2022
✔ NPI 1104570308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
Licenses✔ Licensed in CT · 10675✔ Licensed in NY · 310281
135B MAIN ST, Port Washington, NY 11050
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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Danielle Duffy is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Danielle Duffy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Premier Cardiology Consultants, PLLC
5.2 mi
Cardiovascular Disease
2001 MARCUS AVE, SUITE N-122
New Hyde Park, NY 11042
  • Reassigned Medicare billing, New York enrollment
  • 11 clinicians in this Medicare group
NPI 1497773394 (516) 437-5600
Hartford Healthcare Medical Group Specialists, PLLC
83 mi
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
NPI 1023584216 (860) 246-2071

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11050 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.28
Promoting Interoperability100
Improvement Activities40
Cost59.59

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 Danielle Duffy's NPI number?

The NPI number for Danielle Duffy is 1104570308. It was assigned to this individual provider in the NPPES registry on February 7, 2022.

Where is Danielle Duffy located?

Danielle Duffy practices at 135B Main St, Port Washington, NY 11050. The listed phone number is (516) 532-4145.

What is Danielle Duffy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Danielle Duffy enrolled in Medicare?

Yes. Danielle Duffy is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Danielle Duffy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Danielle Duffy reassigns Medicare benefits to 2 organizations: Premier Cardiology Consultants, PLLC (New Hyde Park, NY) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). Each 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 Danielle Duffy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Danielle Duffy accept?

Health plans from Anthem Blue Cross and Blue Shield list Danielle Duffy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Danielle Duffy was last updated on August 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.