REBECCA PEARL WALKER-MACKELLAR
NPI 1518512177
Counselor - Professional in Lawrence, MA

Active since August 09, 2019PECOS Enrolled
360 MERRIMACK ST, LAWRENCE, MA 01843(978) 687-1617 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Jun 1, 2026, Dec 9, 2021, Aug 9, 2019 (3 updates tracked since 2019).

About Rebecca Pearl Walker-mackellar NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

REBECCA PEARL WALKER-MACKELLAR (NPI 1518512177) is an individual professional provider in Lawrence, Massachusetts and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Charlotte.

NPPES Registry Identity

NPI1518512177
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameREBECCA PEARL WALKER-MACKELLAR
Location Address360 MERRIMACK STLawrence, MA 01843-1740
Mailing Address10130 Mallard Creek Rd Ste 300Charlotte, NC 28262-6001 · (704) 850-6479
Sole ProprietorNo
Enumeration DateAugust 9, 2019
Last NPPES UpdateJune 1, 20263 updates tracked since enumeration
NPPES CertifiedJune 1, 2026
✔ NPI 1518512177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
360 MERRIMACK ST, Lawrence, MA 01843

Secondary Practice Location 1

Location 110130 Mallard Creek Rd Ste 300Charlotte, NC 28262-6001 · Phone (704) 850-6479

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rebecca Pearl Walker-mackellar is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Counselor (Professional)
360 MERRIMACK ST
LAWRENCE, MA 01843
Behavior Technician
360 MERRIMACK ST
LAWRENCE, MA 01843
Behavior Analyst
360 MERRIMACK ST
LAWRENCE, MA 01843
Behavior Technician
360 MERRIMACK ST
LAWRENCE, MA 01843
Nurse Practitioner (Family)
360 MERRIMACK ST
LAWRENCE, MA 01843
Clinic/Center (Health Service)
360 MERRIMACK ST
LAWRENCE, MA 01843
Counselor
360 MERRIMACK ST, BUILDING 9 ENTRANCE H
LAWRENCE, MA 01843
Registered Nurse
360 MERRIMACK ST
LAWRENCE, MA 01843

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 Rebecca Walker-mackellar's NPI number?

The NPI number for Rebecca Walker-mackellar is 1518512177. It was assigned to this individual provider in the NPPES registry on August 9, 2019.

Where is Rebecca Walker-mackellar located?

Rebecca Walker-mackellar practices at 360 Merrimack St, Lawrence, MA 01843. The listed phone number is (978) 687-1617.

What is Rebecca Walker-mackellar's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Rebecca Walker-mackellar enrolled in Medicare?

Yes. Rebecca Walker-mackellar is registered in the Medicare PECOS enrollment system.

What insurance does Rebecca Walker-mackellar accept?

Health plans from Blue Cross and Blue Shield of NC list Rebecca Walker-mackellar 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 Rebecca Walker-mackellar was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.