ESTHER MACKENZIE CNP
NPI 1942751946
Nurse Practitioner in Lynn, MA
About Esther Mackenzie Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ESTHER MACKENZIE CNP (NPI 1942751946) is an individual nurse practitioner in Lynn, Massachusetts, licensed in Massachusetts (RN2265275) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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
Esther Mackenzie Cnp 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 Esther Mackenzie reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lynn, MA 01901
- Reassigned Medicare billing, Massachusetts enrollment
- 178 clinicians in this Medicare group
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 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 9
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01901 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.
LYNN, MA 01901
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 Esther Mackenzie's NPI number?
The NPI number for Esther Mackenzie is 1942751946. It was assigned to this individual provider in the NPPES registry on October 14, 2016.
Where is Esther Mackenzie located?
Esther Mackenzie practices at 280 Union St, Lynn, MA 01901. The listed phone number is (781) 581-3900.
What is Esther Mackenzie's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Esther Mackenzie enrolled in Medicare?
Yes. Esther Mackenzie 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 Esther Mackenzie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Esther Mackenzie reassigns Medicare benefits to 2 organizations: Lynn Community Health, Inc. (Lynn, MA) and Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA). 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 Esther Mackenzie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Esther Mackenzie affiliated with any hospitals?
According to CMS data, Esther Mackenzie is affiliated with North Shore Medical Center - and Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Esther Mackenzie was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Esther Mackenzie, CNP · NPI 1942751946
Nurse Practitioner physician in Lynn, Massachusetts. Individual provider, active in the CMS NPPES registry since October 14, 2016.
## Identity
- **NPI:** 1942751946 (Entity type: Individual)
- **Enumerated:** October 14, 2016
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN2265275 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 280 UNION ST, Lynn, MA 01901-1353
- **Phone:** (781) 581-3900
## 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): Lynn Community Health, Inc. (NPI 1013997691, Lynn, MA); Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 14, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1942751946) · Data from the CMS NPPES public registry.