MACKENZIE COOK OTR/L
NPI 1003648924
Occupational Therapist in Glen Rock, NJ

Active since August 19, 2024
266 HARRISTOWN RD STE 200, GLEN ROCK, NJ 07452(201) 445-7000 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mackenzie Cook Otr/l NPPES

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

MACKENZIE COOK OTR/L (NPI 1003648924) is an individual occupational therapist in Glen Rock, New Jersey, licensed in New Jersey (46TR01185200) and active in the NPI registry since August 2024. She is a graduate of Other (2024).

NPPES Registry Identity

NPI1003648924
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMACKENZIE COOKCredential: OTR/L
Location Address266 HARRISTOWN RD STE 200Glen Rock, NJ 07452-3354
Mailing Address45 Wall St Apt 1707New York, NY 10005-1921
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateAugust 19, 2024
Last NPPES UpdateAugust 20, 2025
NPPES CertifiedAugust 20, 2025
✔ NPI 1003648924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
Licenses✔ Licensed in NJ · 46TR01185200✔ Licensed in NY · 029083-01
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
266 HARRISTOWN RD STE 200, Glen Rock, NJ 07452

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)

Mackenzie Cook Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133625577
PECOS Enrollment IDI20251003001156

Medicare Billing Reassignment

Medicare enrollment records show Mackenzie Cook reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
2633 BROADWAY
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 5,251 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.

Other Providers at the Same Location NPPES 12

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

Physical Therapy Assistant
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Occupational Therapist
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Physical Therapist
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Chiropractor
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Physical Therapist
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Physical Therapist
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Physical Therapist
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452
Physical Therapist
266 HARRISTOWN RD STE 200
GLEN ROCK, NJ 07452

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 Mackenzie Cook's NPI number?

The NPI number for Mackenzie Cook is 1003648924. It was assigned to this individual provider in the NPPES registry on August 19, 2024.

Where is Mackenzie Cook located?

Mackenzie Cook practices at 266 Harristown Rd Ste 200, Glen Rock, NJ 07452. The listed phone number is (201) 445-7000.

What is Mackenzie Cook's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Mackenzie Cook enrolled in Medicare?

Yes. Mackenzie Cook is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mackenzie Cook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mackenzie Cook reassigns Medicare benefits to Montefiore Medical Center (New York, NY). The 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 Mackenzie Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mackenzie Cook accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Mackenzie Cook 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 Mackenzie Cook was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.