MS. MICHELLE ORTIGAS MARI OTR/L
NPI 1740436211
Occupational Therapist in Irvine, CA

Active since August 14, 2008
647 LAS PALMAS DR, IRVINE, CA 92602(415) 867-9660 Get Directions Write a Review

NPPES record last updated: August 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Michelle Ortigas Mari Otr/l NPPES

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

MS. MICHELLE ORTIGAS MARI OTR/L (NPI 1740436211) is an individual occupational therapist in Irvine, California, licensed in California (7266) and active in the NPI registry since August 2008. She maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1740436211
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMS. MICHELLE ORTIGAS MARICredential: OTR/L
Location Address647 LAS PALMAS DRIrvine, CA 92602-2316
Mailing Address647 Las Palmas DrIrvine, CA 92602-2316 · (415) 867-9660
Sole ProprietorYes
Enumeration DateAugust 14, 2008
Last NPPES UpdateAugust 21, 2022
NPPES CertifiedAugust 15, 2022
✔ NPI 1740436211 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 CA · 7266
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.
647 LAS PALMAS DR, Irvine, CA 92602

Secondary Practice Location 1

Location 12221 Lincoln WaySan Francisco, CA 94122-1626 · Phone (415) 867-9660 · Fax (415) 731-1070

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Michelle Ortigas Mari Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Physical Therapy
2012 PHALAROPE CT
Costa Mesa, CA 92626
  • Reassigned Medicare billing, California enrollment
  • 6 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

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

Occupational Therapist
647 LAS PALMAS DR
IRVINE, CA 92602

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 Michelle Mari's NPI number?

The NPI number for Michelle Mari is 1740436211. It was assigned to this individual provider in the NPPES registry on August 14, 2008.

Where is Michelle Mari located?

Michelle Mari practices at 647 Las Palmas Dr, Irvine, CA 92602. The listed phone number is (415) 867-9660.

What is Michelle Mari's specialty?

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

Is Michelle Mari enrolled in Medicare?

Yes. Michelle Mari is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michelle Mari's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Mari reassigns Medicare benefits to Homeworks Physical Therapy Inc (Costa Mesa, CA). 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 Michelle Mari'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 Michelle Mari was last updated on August 21, 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.