DR. IVY D CHUNG M.D.
NPI 1477822757
Family Medicine in Commack, NY
About Dr. Ivy D Chung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IVY D CHUNG M.D. (NPI 1477822757) is an individual family medicine provider in Commack, New York, licensed in New York (263721) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ivy D Chung M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ivy Chung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hauppauge, NY 11788
- Reassigned Medicare billing, New York enrollment
- 66 clinicians in this Medicare group
Queens Village, NY 11428
- Reassigned Medicare billing, New York enrollment
- 342 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11725 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COMMACK, NY 11725
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 Ivy Chung's NPI number?
The NPI number for Ivy Chung is 1477822757. It was assigned to this individual provider in the NPPES registry on December 15, 2011.
Where is Ivy Chung located?
Ivy Chung practices at 45 Mall Dr, Commack, NY 11725. The listed phone number is (631) 326-4563.
What is Ivy Chung's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ivy Chung enrolled in Medicare?
Yes. Ivy Chung is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ivy Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ivy Chung reassigns Medicare benefits to 2 organizations: Charles Evans Center, Inc. (Hauppauge, NY) and State Of New York Comptrollers Office (Queens Village, NY). Each 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 Ivy Chung'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 Ivy Chung was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.