MAREENA JOHNSON FNP
NPI 1982263901
Nurse Practitioner - Family in Newton, NJ
About Mareena Johnson Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAREENA JOHNSON FNP (NPI 1982263901) is an individual family provider in Newton, New Jersey, licensed in New York (344211) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and maintains a secondary practice location in West Harvestraw.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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)
Mareena Johnson Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mareena Johnson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 clinicians in this Medicare group
Thiells, NY 10984
- Reassigned Medicare billing, New York enrollment
- 53 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJNewton Medical Center
Acute Care Hospitals · Newton, NJGood Samaritan Hospital Of Suffern
Acute Care Hospitals · Suffern, NYWestchester Medical Center
Acute Care Hospitals · Valhalla, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07860 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
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 Mareena Johnson's NPI number?
The NPI number for Mareena Johnson is 1982263901. It was assigned to this individual provider in the NPPES registry on June 12, 2019. The provider is also known as Mareena Johnson Joseph.
Where is Mareena Johnson located?
Mareena Johnson practices at 175 High St, Newton, NJ 07860. The listed phone number is (973) 579-8321.
What is Mareena Johnson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mareena Johnson enrolled in Medicare?
Yes. Mareena Johnson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mareena Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mareena Johnson reassigns Medicare benefits to 2 organizations: Practice Associates Medical Group (Morristown, NJ) and State Of New York Comptrollers Office (Thiells, NY). 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 Mareena Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mareena Johnson accept?
Health plans from Oscar Health list Mareena Johnson 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.
Is Mareena Johnson affiliated with any hospitals?
According to CMS data, Mareena Johnson is affiliated with Morristown Medical Center, Newton Medical Center, Good Samaritan Hospital Of Suffern and Westchester Medical Center.
When was this NPI record last updated?
The NPPES record for Mareena Johnson was last updated on December 29, 2022. 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.
# Mareena Johnson, FNP · NPI 1982263901
Family physician in Newton, New Jersey. Individual provider, active in the CMS NPPES registry since June 12, 2019.
## Identity
- **NPI:** 1982263901 (Entity type: Individual)
- **Enumerated:** June 12, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 344211 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 175 HIGH ST, Newton, NJ 07860-1004
- **Phone:** (973) 579-8321 · **Fax:** (973) 383-4572
## 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): Practice Associates Medical Group (NPI 1427016385, Morristown, NJ); State Of New York Comptrollers Office (NPI 1417081761, Thiells, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** December 29, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1982263901) · Data from the CMS NPPES public registry.