ERIN LOUISE MCCARTHY MS, OTR/L
NPI 1346520087
Occupational Therapist in California, MD

Active since August 25, 2011
22593 THREE NOTCH RD, CALIFORNIA, MD 20619(301) 862-2505(301) 862-2548 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Erin Louise Mccarthy Ms, Otr/l NPPES

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

ERIN LOUISE MCCARTHY MS, OTR/L (NPI 1346520087) is an individual occupational therapist in California, Maryland, licensed in Maryland (06732) and active in the NPI registry since August 2011.

NPPES Registry Identity

NPI1346520087
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameERIN LOUISE MCCARTHYCredential: MS, OTR/L
Location Address22593 THREE NOTCH RDCalifornia, MD 20619-3054
Mailing Address22593 Three Notch RdCalifornia, MD 20619-3054 · (301) 862-2505 · Fax (301) 862-2548
Fax(301) 862-2548
Sole ProprietorNo
Enumeration DateAugust 25, 2011
Last NPPES UpdateAugust 7, 2025
NPPES CertifiedAugust 7, 2025
✔ NPI 1346520087 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
License✔ Licensed in MD · 06732
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.
22593 THREE NOTCH RD, California, MD 20619

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erin Louise Mccarthy Ms, Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Occupational Therapist
22593 THREE NOTCH RD
California, MD 20619
  • Reassigned Medicare billing, Maryland enrollment
  • 11 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 20

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

Occupational Therapist
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Specialist/Technologist (Speech-Language Assistant)
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Behavior Technician
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Speech-Language Pathologist
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Assistant Behavior Analyst
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Behavior Technician
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Behavior Technician
22593 THREE NOTCH RD
CALIFORNIA, MD 20619
Physical Therapy Assistant
22593 THREE NOTCH RD
CALIFORNIA, MD 20619

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 Erin Mccarthy's NPI number?

The NPI number for Erin Mccarthy is 1346520087. It was assigned to this individual provider in the NPPES registry on August 25, 2011.

Where is Erin Mccarthy located?

Erin Mccarthy practices at 22593 Three Notch Rd, California, MD 20619. The listed phone number is (301) 862-2505.

What is Erin Mccarthy's specialty?

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

Is Erin Mccarthy enrolled in Medicare?

Yes. Erin Mccarthy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Mccarthy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Mccarthy reassigns Medicare benefits to Personalized Therapy, LLC (California, MD). 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 Erin Mccarthy'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 Erin Mccarthy was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.