MARY ROSE SONIREGUN OTR/L
NPI 1578945895
Occupational Therapist in Gaithersburg, MD

Active since June 23, 2015
800 S FREDERICK AVE STE 101, GAITHERSBURG, MD 20877(240) 200-5305 Get Directions Write a Review

NPPES record last updated: June 17, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mary Rose Soniregun Otr/l NPPES

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

MARY ROSE SONIREGUN OTR/L (NPI 1578945895) is an individual occupational therapist in Gaithersburg, Maryland, licensed in Maryland (08151) and active in the NPI registry since June 2015. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1578945895
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMARY ROSE SONIREGUNCredential: OTR/L
Location Address800 S FREDERICK AVE STE 101Gaithersburg, MD 20877-4151
Mailing Address800 S Frederick Ave Ste 101Gaithersburg, MD 20877-4151 · (240) 200-5305
Sole ProprietorNo
Enumeration DateJune 23, 2015
Last NPPES UpdateJune 17, 2022
NPPES CertifiedJune 17, 2022
✔ NPI 1578945895 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 MD · 08151✔ Licensed in PA · OC013911
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.
800 S FREDERICK AVE STE 101, Gaithersburg, MD 20877

Other Names 1

Former Name (1)Mary Rose Simmons Otr/l

Secondary Practice Locations 2

Location 16509 Democracy BlvdBethesda, MD 20817-1639 · Phone (301) 897-8484 · Fax (301) 897-8486
Location 2815 Freeport RdPittsburgh, PA 15215-3301 · Phone (412) 784-4000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Rose Soniregun Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Speech-Language Pathologist
800 S FREDERICK AVE STE 101
Gaithersburg, MD 20877
  • Reassigned Medicare billing, District of Columbia enrollment
  • 8 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 14

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

Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Speech-Language Pathologist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877
Occupational Therapist
800 S FREDERICK AVE STE 101
GAITHERSBURG, MD 20877

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 Mary Soniregun's NPI number?

The NPI number for Mary Soniregun is 1578945895. It was assigned to this individual provider in the NPPES registry on June 23, 2015. The provider is also known as Mary Rose Simmons Otr/L.

Where is Mary Soniregun located?

Mary Soniregun practices at 800 S Frederick Ave Ste 101, Gaithersburg, MD 20877. The listed phone number is (240) 200-5305.

What is Mary Soniregun's specialty?

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

Is Mary Soniregun enrolled in Medicare?

Yes. Mary Soniregun is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Soniregun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Soniregun reassigns Medicare benefits to Metro Speech Therapy LLC (Gaithersburg, 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 Mary Soniregun'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 Mary Soniregun was last updated on June 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.