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

ALEXANDRA FAY GROSS
NPI 1477094399
Nurse Practitioner - Family in Massapequa, NY

Active since March 10, 2017PECOS Enrolled
84.47/100
CMS Quality Rating
106 COMMONWEALTH AVE, MASSAPEQUA, NY 11758(516) 663-2829 Get Directions Write a Review

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 28, 2018, Apr 18, 2017 (2 updates tracked since 2017).

About Alexandra Fay Gross NPPES

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

ALEXANDRA FAY GROSS (NPI 1477094399) is an individual family provider in Massapequa, New York, licensed in New York (341503) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477094399
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALEXANDRA FAY GROSS
Location Address106 COMMONWEALTH AVEMassapequa, NY 11758-4138
Mailing Address106 Commonwealth AveMassapequa, NY 11758-4138
Phone(516) 663-2829
Sole ProprietorNo
Enumeration DateMarch 10, 2017
Last NPPES UpdateJune 28, 20232 updates tracked since enumeration
✔ NPI 1477094399 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
License✔ Licensed in NY · 341503
106 COMMONWEALTH AVE, Massapequa, NY 11758
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Fay Gross 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

3

Medicare enrollment records show Alexandra Gross reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Harmony Medical Services Of New York, PLLC
20 mi
Family Medicine
1802 PETRACCA PL STE 103
Whitestone, NY 11357
  • Reassigned Medicare billing, New York enrollment
  • 74 clinicians in this Medicare group
NPI 1669178448 (833) 979-7192
New Health Medical New York PC
25 mi
Primary Care
407 WILLOUGHBY AVE
Brooklyn, NY 11205
  • Reassigned Medicare billing, New York enrollment
  • 14 clinicians in this Medicare group
NPI 1124460696 (187) 470-0288
New York University
1,045 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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 11758 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
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

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 Alexandra Gross's NPI number?

The NPI number for Alexandra Gross is 1477094399. It was assigned to this individual provider in the NPPES registry on March 10, 2017.

Where is Alexandra Gross located?

Alexandra Gross practices at 106 Commonwealth Ave, Massapequa, NY 11758. The listed phone number is (516) 663-2829.

What is Alexandra Gross's specialty?

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

Is Alexandra Gross enrolled in Medicare?

Yes. Alexandra Gross is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexandra Gross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Gross reassigns Medicare benefits to 3 organizations: Harmony Medical Services Of New York, PLLC (Whitestone, NY), New Health Medical New York PC (Brooklyn, NY) and New York University (Boynton Beach, FL). 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 Alexandra Gross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexandra Gross was last updated on June 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.