GRACE O'CALLAGHAN OT
NPI 1316804842
Occupational Therapist in Dedham, MA

Active since January 07, 2026
391 COMMON ST, DEDHAM, MA 02026(877) 407-3422(877) 407-4329 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 27, 2026, Jan 7, 2026 (2 updates tracked since 2026).

About Grace O'callaghan Ot NPPES

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

GRACE O'CALLAGHAN OT (NPI 1316804842) is an individual occupational therapist in Dedham, Massachusetts, licensed in Massachusetts (OTL36472) and active in the NPI registry since January 2026. She is a graduate of Other (2025).

NPPES Registry Identity

NPI1316804842
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameGRACE O'CALLAGHANCredential: OT
Location Address391 COMMON STDedham, MA 02026-4055
Mailing Address7 Carnegie PlzCherry Hill, NJ 08003-1000 · (877) 407-3422 · Fax (877) 407-4329
Fax(877) 407-4329
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJanuary 7, 2026
Last NPPES UpdateJanuary 27, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 27, 2026
✔ NPI 1316804842 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 MA · OTL36472
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.
391 COMMON ST, Dedham, MA 02026

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grace O'callaghan Ot is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4385120914
PECOS Enrollment IDI20260113002699

Medicare Billing Reassignment

Medicare enrollment records show Grace O'callaghan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physical Therapist
303 WYMAN ST, SUITE 300
Waltham, MA 02451
  • Reassigned Medicare billing, Massachusetts enrollment
  • 219 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
391 COMMON ST
DEDHAM, MA 02026
Physical Therapist
391 COMMON ST
DEDHAM, MA 02026
Physical Therapist
391 COMMON ST
DEDHAM, MA 02026
Occupational Therapist
391 COMMON ST
DEDHAM, MA 02026
Physical Therapist
391 COMMON ST
DEDHAM, MA 02026
Speech-Language Pathologist
391 COMMON ST
DEDHAM, MA 02026
Occupational Therapist
391 COMMON ST
DEDHAM, MA 02026
Occupational Therapist
391 COMMON ST
DEDHAM, MA 02026

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 Grace O'callaghan's NPI number?

The NPI number for Grace O'callaghan is 1316804842. It was assigned to this individual provider in the NPPES registry on January 7, 2026.

Where is Grace O'callaghan located?

Grace O'callaghan practices at 391 Common St, Dedham, MA 02026. The listed phone number is (877) 407-3422.

What is Grace O'callaghan's specialty?

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

Is Grace O'callaghan enrolled in Medicare?

Yes. Grace O'callaghan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Grace O'callaghan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace O'callaghan reassigns Medicare benefits to Fox Rehab Ma LLC (Waltham, MA). 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 Grace O'callaghan'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 Grace O'callaghan was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.