NPPES file of Aug 9, 2026

Ji Yoon Yoon, BMBCH

Gastroenterology Physician · New York, NY

Ji Yoon Yoon, BMBCH is a gastroenterology physician with a practice address in New York, New York, and NPI 1073034195, issued on Jun 28, 2017. Check the license (New York 305911, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073034195
Name
Ji Yoon Yoon
Credential
BMBCH
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
305911 NY
Self-reported in NPPES; status is on the state search
Practice location
17 E 102ND St, New York, NY 10029
Phone
(212) 241-8100
Enumerated
Jun 28, 2017
Record last updated
Jul 15, 2025
Fax
(646) 537-8921
Medicare enrollment
Enrolled (PECOS I20230613003106); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →

Also registered at 17 E 102ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Judith Aberg, M.D.Infectious Disease Physician1902969645
  2. Helen Adams, PA-CMedical Physician Assistant1588844815
  3. Ritu Agarwal, M.D.Hepatology Physician1942448345
  4. Maddalena Allegretta, MDRheumatology Physician1902337710
  5. Katherine AllynInternal Medicine Physician1902435654
  6. Aviv Alter, MDCardiovascular Disease Physician1548886039

Verify Ji Yoon Yoon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 305911    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. North Shore Medical Group OF The Mount Sinai School OF MedicineAstoria, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ji Yoon Yoon among 1,797 gastroenterology physician records in New York

Ji Yoon Yoon, BMBCH is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 90% of them.

  • NPI issued2017 · 90% of these records are older, 7% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2014 · median 1999 among the 1,378 with a school on file
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in New York

There are 1,797 gastroenterology physician records in New York.

All 1,797 in New York → Every provider in New York → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Efsevia Albanis, MDNew York, NY 100291346268174
  2. Charissa Chang, MDNew York, NY 100291649299686
  3. Lawrence Cohen, M.D.New York, NY 100291023010956
  4. Scott Friedman, MDNew York, NY 100291184656209
  5. Steven Itzkowitz, MDNew York, NY 100291568499036
  6. Michelle Kim, MDNew York, NY 100291851319651
  7. Eric Lemmer, MDNew York, NY 100291760412274
  8. Patricia Lopez, MDNew York, NY 100291275551004

Common questions

What is Ji Yoon Yoon, BMBCH's NPI number?

Ji Yoon Yoon, BMBCH's National Provider Identifier (NPI) is 1073034195, issued on Jun 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Ji Yoon Yoon, BMBCH located?

The NPPES record lists a practice address at 17 E 102ND St, New York, NY, 10029. Phone: (212) 241-8100. Providers update this record themselves, so call before visiting.

How can I verify Ji Yoon Yoon, BMBCH's license?

NPPES lists New York license number 305911, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.