Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOIRA L KOWALCZYK OT/L
NPI 1629390695
Occupational Therapist in Haverford, PA

Active since February 18, 2010Accepts Medicare Assignment
551 WEST LANCASTER AVENUE, HAVERFORD, PA 19041(610) 525-4000 Get Directions Write a Review

NPPES record last updated: October 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Moira L Kowalczyk Ot/l NPPES

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

MOIRA L KOWALCZYK OT/L (NPI 1629390695) is an individual occupational therapist in Haverford, Pennsylvania, licensed in New Jersey (46TR00240700) and active in the NPI registry since February 2010. He is a graduate of Other (1988).

NPPES Registry Identity

NPI1629390695
Entity TypeIndividualMale
Primary Taxonomy225X00000X
Provider Legal NameMOIRA L KOWALCZYKCredential: OT/L
Location Address551 WEST LANCASTER AVENUEHaverford, PA 19041
Mailing AddressPo Box 131Lahaska, PA 18931-0131 · (908) 894-4854
Sole ProprietorYes
Medical School CMSOtherGraduated 1988
Enumeration DateFebruary 18, 2010
Last NPPES UpdateOctober 3, 2026
NPPES CertifiedOctober 3, 2026
✔ NPI 1629390695 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 · 46TR00240700✔ Licensed in PA · OC012248
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.
551 WEST LANCASTER AVENUE, Haverford, PA 19041

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

Moira L Kowalczyk Ot/l 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 ID8921285081
PECOS Enrollment IDI20110527000262

Medicare Billing Reassignment

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

Physical Therapist
701 FOULK RD STE 2A
Wilmington, DE 19803
  • Reassigned Medicare billing, New Jersey enrollment
  • 973 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.

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 Moira Kowalczyk's NPI number?

The NPI number for Moira Kowalczyk is 1629390695. It was assigned to this individual provider in the NPPES registry on February 18, 2010.

Where is Moira Kowalczyk located?

Moira Kowalczyk practices at 551 West Lancaster Avenue, Haverford, PA 19041. The listed phone number is (610) 525-4000.

What is Moira Kowalczyk's specialty?

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

Is Moira Kowalczyk enrolled in Medicare?

Yes. Moira Kowalczyk 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 organization bills Medicare for Moira Kowalczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Moira Kowalczyk reassigns Medicare benefits to Fox Rehabilitation Services Inc (Wilmington, DE). 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 Moira Kowalczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Moira Kowalczyk was last updated on October 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.