SUSAN NIFENECKER NPP
NPI 1144233420
Nurse Practitioner - Psychiatric/Mental Health in Seaford, NY
About Susan Nifenecker Npp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN NIFENECKER NPP (NPI 1144233420) is an individual psychiatric/mental health provider in Seaford, New York, licensed in New York (F400714-1) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Susan Nifenecker Npp 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
6Medicare enrollment records show Susan Nifenecker reassigns Medicare billing to 6 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
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 179 clinicians in this Medicare group
White Plains, NY 10601
- Reassigned Medicare billing, New York enrollment
- 167 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, New York enrollment
- 158 clinicians in this Medicare group
Woodruff, SC 29388
- Reassigned Medicare billing, South Carolina enrollment
- 18 clinicians in this Medicare group
Las Vegas, NV 89144
- Reassigned Medicare billing, New York and South Carolina enrollments
- 178 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11783 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.
Reported Quality Measures
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.
SEAFORD, NY 11783
SEAFORD, NY 11783
SEAFORD, NY 11783
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 Susan Nifenecker's NPI number?
The NPI number for Susan Nifenecker is 1144233420. It was assigned to this individual provider in the NPPES registry on August 15, 2006.
Where is Susan Nifenecker located?
Susan Nifenecker practices at 2146 Jackson Ave, Seaford, NY 11783. The listed phone number is (516) 221-3030.
What is Susan Nifenecker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Susan Nifenecker enrolled in Medicare?
Yes. Susan Nifenecker 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 Susan Nifenecker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Nifenecker reassigns Medicare benefits to 6 organizations: North Shore - Lij Medical PC (New Hyde Park, NY), New York General Medical Services PC (New York, NY), Hospitalist Healthcare Services PLLC (White Plains, NY), Cs Pacs 3 Northeast, LLC (Frederick, MD), South Carolina Post Acute Medical Services 1 PC (Woodruff, SC) and 1 more organization, listed in the Medicare section above. 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 Susan Nifenecker'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 Susan Nifenecker was last updated on August 3, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Susan Nifenecker, NPP · NPI 1144233420
Psychiatric/Mental Health physician in Seaford, New York. Individual provider, active in the CMS NPPES registry since August 15, 2006.
## Identity
- **NPI:** 1144233420 (Entity type: Individual)
- **Enumerated:** August 15, 2006
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** F400714-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2146 JACKSON AVE, Seaford, NY 11783-2606
- **Phone:** (516) 221-3030 · **Fax:** (516) 221-1013
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); New York General Medical Services PC (NPI 1700315538, New York, NY); Hospitalist Healthcare Services PLLC (NPI 1275962011, White Plains, NY); Cs Pacs 3 Northeast, LLC (NPI 1093598898, Frederick, MD); South Carolina Post Acute Medical Services 1 PC (NPI 1093244824, Woodruff, SC); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** August 3, 2015
- **Other identifiers:** Medicaid 003933339 (NY); Medicare PIN W02651 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1144233420) · Data from the CMS NPPES public registry.