CASSANDRA NIAN WEI CHAN
NPI 1730705658
Speech-Language Pathologist in New Hyde Park, NY

Active since June 17, 2020
2001 MARCUS AVE STE N1, NEW HYDE PARK, NY 11042(516) 216-1791 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2021, Jun 23, 2021, Jun 17, 2020 (3 updates tracked since 2020).

About Cassandra Nian Wei Chan NPPES

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

CASSANDRA NIAN WEI CHAN (NPI 1730705658) is an individual speech-language pathologist provider in New Hyde Park, New York and active in the NPI registry since June 2020. She maintains a secondary practice location in Roslyn Heights.

NPPES Registry Identity

NPI1730705658
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameCASSANDRA NIAN WEI CHAN
Location Address2001 MARCUS AVE STE N1New Hyde Park, NY 11042-1035
Mailing Address2001 Marcus AveNew Hyde Park, NY 11042-2061
Sole ProprietorNo
Enumeration DateJune 17, 2020
Last NPPES UpdateSeptember 13, 20213 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2021
✔ NPI 1730705658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
2001 MARCUS AVE STE N1, New Hyde Park, NY 11042

Secondary Practice Location 1

Location 142 Rockhill RdRoslyn Heights, NY 11577-1421 · Phone (516) 484-0251

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cassandra Nian Wei Chan is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 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 3

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

Speech-Language Pathologist
2001 MARCUS AVE STE N1
NEW HYDE PARK, NY 11042
Speech-Language Pathologist
2001 MARCUS AVE STE N1
NEW HYDE PARK, NY 11042
Speech-Language Pathologist
2001 MARCUS AVE STE N1
NEW HYDE PARK, NY 11042

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 Cassandra Chan's NPI number?

The NPI number for Cassandra Chan is 1730705658. It was assigned to this individual provider in the NPPES registry on June 17, 2020.

Where is Cassandra Chan located?

Cassandra Chan practices at 2001 Marcus Ave Ste N1, New Hyde Park, NY 11042. The listed phone number is (516) 216-1791.

What is Cassandra Chan's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Cassandra Chan enrolled in Medicare?

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

Which organization bills Medicare for Cassandra Chan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Chan reassigns Medicare benefits to North Shore - Lij Medical PC (New Hyde Park, 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 Cassandra 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 Cassandra Chan was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.