MARIE PIERRE ANDERSON GNP
NPI 1124157771
Nurse Practitioner - Gerontology in Haverhill, MA
About Marie Pierre Anderson Gnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIE PIERRE ANDERSON GNP (NPI 1124157771) is an individual gerontology provider in Haverhill, Massachusetts, licensed in Massachusetts (177501) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
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
Marie Pierre Anderson Gnp 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
4Medicare enrollment records show Marie Anderson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Haverhill, MA 01830
- Reassigned Medicare billing, Massachusetts enrollment
- 3 clinicians in this Medicare group
Haverhill, MA 01830
- Reassigned Medicare billing, Massachusetts enrollment
- 5 clinicians in this Medicare group
Beverly, MA 01915
- Reassigned Medicare billing, Massachusetts enrollment
- 98 clinicians in this Medicare group
Westwood, MA 02090
- Reassigned Medicare billing, Massachusetts enrollment
- 7 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 6
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 01830 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
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 Marie Anderson's NPI number?
The NPI number for Marie Anderson is 1124157771. It was assigned to this individual provider in the NPPES registry on March 2, 2007.
Where is Marie Anderson located?
Marie Anderson practices at 1 Merrimack Street Haverhill Family Practice, Haverhill, MA 01830. The listed phone number is (978) 521-6555.
What is Marie Anderson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Marie Anderson enrolled in Medicare?
Yes. Marie Anderson 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 Marie Anderson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marie Anderson reassigns Medicare benefits to 4 organizations: Haverhill Family Care (Haverhill, MA), Haverhill Family Office, LLC (Haverhill, MA), Northeast Behavioral Health Corporation (Beverly, MA) and Pathways Healthcare, LLC (Westwood, 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 Marie Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marie Anderson accept?
Health plans from WellSense Health Plan list Marie Anderson 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 Marie Anderson was last updated on March 31, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.