SEUNG EUN LEE MD
NPI 1104321652
Internal Medicine - Gastroenterology in New York, NY
About Seung Eun Lee Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEUNG EUN LEE MD (NPI 1104321652) is an individual gastroenterology provider in New York, New York, licensed in New York (302781) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
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 and accepts Medicare assignment
Seung Eun 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 Seung Eun Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 31 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 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 10065
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 Seung Eun Lee's NPI number?
The NPI number for Seung Eun Lee is 1104321652. It was assigned to this individual provider in the NPPES registry on March 27, 2018.
Where is Seung Eun Lee located?
Seung Eun Lee practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-2000.
What is Seung Eun Lee's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Seung Eun Lee enrolled in Medicare?
Yes. Seung Eun 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 Seung Eun Lee's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seung Eun Lee reassigns Medicare benefits to Memorial Gastroenterology Group (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 Seung Eun Lee'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 Seung Eun Lee was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Seung Eun Lee, MD · NPI 1104321652
Gastroenterology physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 27, 2018.
## Identity
- **NPI:** 1104321652 (Entity type: Individual)
- **Enumerated:** March 27, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 302781 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1275 YORK AVE, New York, NY 10065-6007
- **Phone:** (212) 639-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Memorial Gastroenterology Group (NPI 1629049192, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1104321652) · Data from the CMS NPPES public registry.