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IAN CHAN MD PC
NPI 1568894590
Clinic/Center - Ophthalmologic Surgery in Flushing, NY

Active since August 01, 2013
3808 UNION ST STE 5D, FLUSHING, NY 11354(631) 213-1668(718) 509-6993 Get Directions Write a Review

NPPES record last updated: September 3, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ian Chan Md Pc NPPES

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

IAN CHAN MD PC (NPI 1568894590) is a healthcare organization registered as an ophthalmologic surgery in Flushing, New York and active in the NPI registry since August 2013. The organization lists Ian Chan, President, as its authorized official.

NPPES Registry Identity

NPI1568894590
Entity TypeOrganization
Primary Taxonomy261QS0132X
Legal Business NameIAN CHAN MD PC
Location Address3808 UNION ST STE 5DFlushing, NY 11354
Mailing Address3808 Union St Ste 5dFlushing, NY 11354-5672 · (631) 213-1668 · Fax (718) 509-6993
Phone(631) 213-1668
Fax(718) 509-6993
Organization SubpartNo
Authorized OfficialIan ChanPresident · (917) 238-7875
Enumeration DateAugust 1, 2013
Last NPPES UpdateSeptember 3, 2018
✔ NPI 1568894590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ophthalmologic SurgeryAmbulatory Health Care Facilities
Taxonomy Code261QS0132X
License✔ Licensed in NY · 249201
3808 UNION ST STE 5D, Flushing, NY 11354
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Other Identifiers 1

Medicaid03580976NY

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ian Chan Md Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20130508000038Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ian Chan MD PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ian Chan, MD
Ophthalmology
NPI 1942406756
139 CENTRE ST PH 113
New York, NY 10013
(917) 238-7875
✔ PECOS✔ Accepts Medicare9.6 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Ian Chan MD PC's NPI number?

The NPI number for Ian Chan MD PC is 1568894590. It was assigned to this organization in the NPPES registry on August 1, 2013.

Where is Ian Chan MD PC located?

Ian Chan MD PC is located at 3808 Union St Ste 5D, Flushing, NY 11354. The listed phone number is (631) 213-1668.

What is Ian Chan MD PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ophthalmologic Surgery, with taxonomy code 261QS0132X.

Is Ian Chan MD PC enrolled in Medicare?

Yes. Ian Chan MD PC is registered in the Medicare PECOS enrollment system.

When is Ian Chan MD PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Ian Chan MD PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Ian Chan MD PC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ian Chan MD PC was last updated on September 3, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.