MARIE PIERRE ANDERSON GNP
NPI 1124157771
Nurse Practitioner - Gerontology in Haverhill, MA

Active since March 02, 2007PECOS EnrolledAccepts Medicare Assignment
1 MERRIMACK STREET, HAVERHILL FAMILY PRACTICE, HAVERHILL, MA 01830(978) 521-6555 Get Directions Write a Review

NPPES record last updated: March 31, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1124157771
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMARIE PIERRE ANDERSONCredential: GNP
Location Address1 MERRIMACK STREET, HAVERHILL FAMILY PRACTICEHaverhill, MA 01830
Mailing Address7 Pleasant StreetMerrimac, MA 01860-1945 · (978) 346-4534 · Fax (978) 346-4534
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateMarch 2, 2007
Last NPPES UpdateMarch 31, 2014
✔ NPI 1124157771 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in MA · 177501
1 MERRIMACK STREET, Haverhill, MA 01830

Other Identifiers 2

Medicare ID-Type UnspecifiedANNP0732MA
Medicare UPINS37913

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.

PECOS PAC ID4981739208
PECOS Enrollment IDI20100311000854
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare 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.

Internal Medicine
62 BROWN ST
Haverhill, MA 01830
  • Reassigned Medicare billing, Massachusetts enrollment
  • 3 clinicians in this Medicare group
Internal Medicine
62 BROWN ST
Haverhill, MA 01830
  • Reassigned Medicare billing, Massachusetts enrollment
  • 5 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
800 CUMMINGS CENTER, SUITE 266T
Beverly, MA 01915
  • Reassigned Medicare billing, Massachusetts enrollment
  • 98 clinicians in this Medicare group
Home Health
101 STATION DR., SUITE 240
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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
1,745 services213 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
649 services190 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
77 services77 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
35 services35 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
11 services11 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
11 services11 patients

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.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
1 MERRIMACK STREET
HAVERHILL, MA 01830

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.