DR. JI YOON YOON BMBCH
NPI 1073034195
Internal Medicine - Gastroenterology in New York, NY
About Dr. Ji Yoon Yoon Bmbch NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JI YOON YOON BMBCH (NPI 1073034195) is an individual gastroenterology provider in New York, New York, licensed in New York (305911) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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. Ji Yoon Yoon Bmbch 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 Reassignments
2Medicare enrollment records show Ji Yoon Yoon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1730440777 (New York)
- 769 clinicians in this Medicare group
Wantagh, NY 11793
- Reassigned Medicare billing, New York enrollment
- 572 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mount Sinai Hospital
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.
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.
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 Ji Yoon Yoon's NPI number?
The NPI number for Ji Yoon Yoon is 1073034195. It was assigned to this individual provider in the NPPES registry on June 28, 2017.
Where is Ji Yoon Yoon located?
Ji Yoon Yoon practices at 17 E 102nd St, New York, NY 10029. The listed phone number is (212) 241-8100.
What is Ji Yoon Yoon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Ji Yoon Yoon enrolled in Medicare?
Yes. Ji Yoon Yoon 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 organizations bill Medicare for Ji Yoon Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ji Yoon Yoon reassigns Medicare benefits to 2 organizations: Icahn School Of Medicine At Mount Sinai (New York, NY) and North Shore Medical Group Of The Mount Sinai School Of Medicine (Wantagh, 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 Ji Yoon Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ji Yoon Yoon affiliated with any hospitals?
According to CMS data, Ji Yoon Yoon is affiliated with Mount Sinai Hospital.
When was this NPI record last updated?
The NPPES record for Ji Yoon Yoon 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.