ADA L CHAN OTR/L
NPI 1417817636
Occupational Therapist in Astoria, NY

Active since November 12, 2025
3636 10TH ST, ASTORIA, NY 11106(718) 383-1785 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 10, 2026, Nov 12, 2025 (2 updates tracked since 2025).

About Ada L Chan Otr/l NPPES

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

ADA L CHAN OTR/L (NPI 1417817636) is an individual occupational therapist in Astoria, New York, licensed in New York (030676) and active in the NPI registry since November 2025. She maintains a secondary practice location in Great Neck and is a graduate of Other (2025).

NPPES Registry Identity

NPI1417817636
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameADA L CHANCredential: OTR/L
Location Address3636 10TH STAstoria, NY 11106-5112
Mailing Address3636 10th StAstoria, NY 11106-5112 · (718) 353-1785
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateNovember 12, 2025
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1417817636 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 NY · 030676
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.
3636 10TH ST, Astoria, NY 11106

Secondary Practice Location 1

Location 1475 Northern Blvd Ste 19Great Neck, NY 11021-4802 · Phone (516) 829-0030 · Fax (516) 466-7723

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ada L Chan Otr/l is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8527543685
PECOS Enrollment IDI20260327000311

Medicare Billing Reassignment

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

Specialist
475 NORTHERN BLVD STE 19
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 99 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 7

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

Speech-Language Pathologist
3636 10TH ST
LONG ISLAND CITY, NY 11106
Speech-Language Pathologist
3636 10TH ST
ASTORIA, NY 11106
Speech-Language Pathologist
3636 10TH ST
LONG ISLAND CITY, NY 11106
Speech-Language Pathologist
3636 10TH ST
ASTORIA, NY 11106
Speech-Language Pathologist
3636 10TH ST
ASTORIA, NY 11106
Registered Nurse
3636 10TH ST
ASTORIA, NY 11106
Speech-Language Pathologist
3636 10TH ST
LONG ISLAND CITY, NY 11106

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 Ada Chan's NPI number?

The NPI number for Ada Chan is 1417817636. It was assigned to this individual provider in the NPPES registry on November 12, 2025.

Where is Ada Chan located?

Ada Chan practices at 3636 10th St, Astoria, NY 11106. The listed phone number is (718) 383-1785.

What is Ada Chan's specialty?

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

Is Ada Chan enrolled in Medicare?

Yes. Ada Chan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ada Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ada Chan reassigns Medicare benefits to Reddy Care Physical And Occupational Therapy PLLC (Great Neck, NY). 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 Ada Chan'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 Ada Chan was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.