STACY J KREISWIRTH NP
NPI 1821140443
Nurse Practitioner in New York, NY
About Stacy J Kreiswirth Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STACY J KREISWIRTH NP (NPI 1821140443) is an individual nurse practitioner in New York, New York, licensed in New York (F300560) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of University Of Missouri, Columbia School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Stacy J Kreiswirth Np 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 Stacy Kreiswirth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Stacy Kreiswirth's NPI number?
The NPI number for Stacy Kreiswirth is 1821140443. It was assigned to this individual provider in the NPPES registry on January 16, 2007.
Where is Stacy Kreiswirth located?
Stacy Kreiswirth practices at 67 Irving Place #5fl, New York, NY 10003. The listed phone number is (212) 253-2968.
What is Stacy Kreiswirth's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Stacy Kreiswirth enrolled in Medicare?
Yes. Stacy Kreiswirth 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 Stacy Kreiswirth's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stacy Kreiswirth reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Stacy Kreiswirth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stacy Kreiswirth affiliated with any hospitals?
According to CMS data, Stacy Kreiswirth is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Stacy Kreiswirth was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.