DR. JI YOON YOON BMBCH
NPI 1073034195
Internal Medicine - Gastroenterology in New York, NY

Active since June 28, 2017PECOS EnrolledAccepts Medicare Assignment
17 E 102ND ST, NEW YORK, NY 10029(212) 241-8100(646) 537-8921 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 12, 2025, Jun 6, 2023, Jul 21, 2020 and 2 more (5 updates tracked since 2017).

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

NPI1073034195
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JI YOON YOONCredential: BMBCH
Location Address17 E 102ND STNew York, NY 10029-5204
Mailing Address1 Gustave L Levy PlNew York, NY 10029-6504
Fax(646) 537-8921
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJune 28, 2017
Last NPPES UpdateJuly 15, 20255 updates tracked since enumeration
NPPES CertifiedJuly 15, 2025
✔ NPI 1073034195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 305911
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
17 E 102ND ST, New York, NY 10029

Secondary Practice Locations 3

Location 11 Gustave L Levy PlNew York, NY 10029-6504 · Phone (212) 241-4299
Location 22510 30th AveAstoria, NY 11102-2448 · Phone (718) 932-1000
Location 33014 Crescent St Fl 3Astoria, NY 11102-3249 · Phone (718) 808-7237

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.

PECOS PAC ID1153691621
PECOS Enrollment IDI20230613003106
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Occupational Medicine
1468 MADISON AVE FL 3
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • Also billed through NPI 1730440777 (New York)
  • 769 clinicians in this Medicare group
Internal Medicine
2020 WANTAGH AVE
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, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Physician 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.

New Patient
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Internal Medicine
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine (Infectious Disease)
17 E 102ND ST
NEW YORK, NY 10029
Nurse Practitioner (Family)
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine (Rheumatology)
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine
17 E 102ND ST
NEW YORK, NY 10029
Nurse Practitioner (Family)
17 E 102ND ST
NEW YORK, NY 10029
Nurse Practitioner (Family)
17 E 102ND ST
NEW YORK, NY 10029
Internal Medicine
17 E 102ND ST
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 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.