MRS. JILL K WARSHAW FNP
NPI 1063683654
Nurse Practitioner - Family in New York, NY
About Mrs. Jill K Warshaw Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. JILL K WARSHAW FNP (NPI 1063683654) is an individual family provider in New York, New York, licensed in New York (33 335464) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, is affiliated with Lenox Hill Hospital, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Mrs. Jill K Warshaw 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 Reassignments
2Medicare enrollment records show Jill Warshaw reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
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
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.
Lenox Hill Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
NEW YORK, NY 10016
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 Jill Warshaw's NPI number?
The NPI number for Jill Warshaw is 1063683654. It was assigned to this individual provider in the NPPES registry on March 21, 2008. The provider is also known as Miss Jill K Savitzky Rn.
Where is Jill Warshaw located?
Jill Warshaw practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-7300.
What is Jill Warshaw's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Jill Warshaw enrolled in Medicare?
Yes. Jill Warshaw 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 organizations bill Medicare for Jill Warshaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jill Warshaw reassigns Medicare benefits to 2 organizations: North Shore - Lij Medical PC (New Hyde Park, 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 Jill Warshaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jill Warshaw affiliated with any hospitals?
According to CMS data, Jill Warshaw is affiliated with Lenox Hill Hospital.
When was this NPI record last updated?
The NPPES record for Jill Warshaw was last updated on July 11, 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.
# Mrs. Jill K Warshaw, FNP · NPI 1063683654
Family physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 21, 2008.
## Identity
- **NPI:** 1063683654 (Entity type: Individual)
- **Enumerated:** March 21, 2008
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 33 335464 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 1ST AVE, New York, NY 10016-6402
- **Phone:** (212) 263-7300
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** July 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1063683654) · Data from the CMS NPPES public registry.