KRISTEN AMBROSIO FNP
NPI 1659094266
Nurse Practitioner - Family in Great Neck, NY
About Kristen Ambrosio Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTEN AMBROSIO FNP (NPI 1659094266) is an individual family provider in Great Neck, New York, licensed in New York (350408) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kristen Ambrosio Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Kristen Ambrosio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11021 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Kristen Ambrosio's NPI number?
The NPI number for Kristen Ambrosio is 1659094266. It was assigned to this individual provider in the NPPES registry on September 20, 2022.
Where is Kristen Ambrosio located?
Kristen Ambrosio practices at 805 Northern Blvd, Great Neck, NY 11021. The listed phone number is (516) 550-2100.
What is Kristen Ambrosio's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kristen Ambrosio enrolled in Medicare?
Yes. Kristen Ambrosio is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Kristen Ambrosio's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Ambrosio reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). The 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 Kristen Ambrosio's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kristen Ambrosio affiliated with any hospitals?
According to CMS data, Kristen Ambrosio is affiliated with North Shore University Hospital.
When was this NPI record last updated?
The NPPES record for Kristen Ambrosio was last updated on April 24, 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.
# Kristen Ambrosio, FNP · NPI 1659094266
Family physician in Great Neck, New York. Individual provider, active in the CMS NPPES registry since September 20, 2022.
## Identity
- **NPI:** 1659094266 (Entity type: Individual)
- **Enumerated:** September 20, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 350408 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 805 NORTHERN BLVD, Great Neck, NY 11021-5342
- **Phone:** (516) 550-2100
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** April 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1659094266) · Data from the CMS NPPES public registry.