SAMANTHA A KNIESER AGACNP-BC
NPI 1255185633
Nurse Practitioner - Acute Care in Somerville, NJ
About Samantha A Knieser Agacnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMANTHA A KNIESER AGACNP-BC (NPI 1255185633) is an individual acute care provider in Somerville, New Jersey, licensed in New Jersey (26NJ14999400) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Samantha A Knieser Agacnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Samantha Knieser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Somerville, NJ 08876
- Reassigned Medicare billing, New Jersey enrollment
- 259 clinicians in this Medicare group
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08876 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOMERVILLE, NJ 08876
SOMERVILLE, NJ 08876
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 Samantha Knieser's NPI number?
The NPI number for Samantha Knieser is 1255185633. It was assigned to this individual provider in the NPPES registry on April 12, 2024.
Where is Samantha Knieser located?
Samantha Knieser practices at 110 Rehill Ave, Somerville, NJ 08876. The listed phone number is (908) 685-2200.
What is Samantha Knieser's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Samantha Knieser enrolled in Medicare?
Yes. Samantha Knieser is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Samantha Knieser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Knieser reassigns Medicare benefits to 2 organizations: Rutgers Health-Rwj Neurosurgery Faculty (Somerville, NJ) and Barnabas Health Medical Group PC (Elizabeth, NJ). 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 Samantha Knieser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samantha Knieser accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Samantha Knieser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Samantha Knieser was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Samantha A Knieser, AGACNP-BC · NPI 1255185633
Acute Care physician in Somerville, New Jersey. Individual provider, active in the CMS NPPES registry since April 12, 2024.
## Identity
- **NPI:** 1255185633 (Entity type: Individual)
- **Enumerated:** April 12, 2024
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 26NJ14999400 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 REHILL AVE, Somerville, NJ 08876-2519
- **Phone:** (908) 685-2200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Rutgers Health-Rwj Neurosurgery Faculty (NPI 1548356926, Somerville, NJ); Barnabas Health Medical Group PC (NPI 1841557246, Elizabeth, NJ) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1255185633) · Data from the CMS NPPES public registry.