DR. DONG-SEOK DANIEL LEE MD
NPI 1730349085
Thoracic Surgery (Cardiothoracic Vascular Surgery) in New York, NY
About Dr. Dong-seok Daniel Lee Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DONG-SEOK DANIEL LEE MD (NPI 1730349085) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in New York, New York, licensed in New York (240461) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Dong-seok Daniel Lee Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Dong-seok Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 73 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
Acute Care Hospitals · New York, NYMount Sinai St Luke's Roosevelt Hospital
Acute Care Hospitals · New York, NYMount Sinai Beth Israel
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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 2
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
NEW YORK, NY 10029
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 Dong-seok Lee's NPI number?
The NPI number for Dong-seok Lee is 1730349085. It was assigned to this individual provider in the NPPES registry on June 11, 2008.
Where is Dong-seok Lee located?
Dong-seok Lee practices at 1190 5th Ave Gp2w, Box 1028, New York, NY 10029. The listed phone number is (212) 659-6800.
What is Dong-seok Lee's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Dong-seok Lee enrolled in Medicare?
Yes. Dong-seok Lee is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Dong-seok Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dong-seok Lee reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Dong-seok Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dong-seok Lee affiliated with any hospitals?
According to CMS data, Dong-seok Lee is affiliated with Mount Sinai Hospital, Mount Sinai St Luke's Roosevelt Hospital and Mount Sinai Beth Israel.
When was this NPI record last updated?
The NPPES record for Dong-seok Lee was last updated on August 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.