John Y. Chun, M.D.
NPI 1609858935ActiveIndividual· Anesthesiology· Salisbury, MD
Anesthesiology (M.D.) in Salisbury, Maryland, trained at Creighton University School of Medicine (class of 1985). Medicare paid $42,978 for services to 416 patients in 2024. Janssen Biotech, Inc. was the largest of 5 companies reporting payments in 2025, $153.49 in all, mostly food and beverage.
Overview
| NPI | 1609858935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 14, 2005 |
| Last updated in NPPES | Sep 28, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | D0047591 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 416 |
|---|---|
| Services billed | 420 across 15 procedure codes |
| Paid by Medicare | $42,978 |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Pain Management |
Medical groups
- Gastroenterology Associates of New Jersey LLCRidgewood, NJ · 80 clinicians
- Advanced Ambulatory Anesthesia LLCWayne, NJ · 9 clinicians
Industry payments (Open Payments)
- 2025$153.49 · 9 payments from 5 companies
- 2024$271.88 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $51.89 | 3 |
| Lilly USA, LLC | $33.06 | 2 |
| Aimmune Therapeutics, Inc. | $31.78 | 2 |
| Regeneron Healthcare Solutions, Inc. | $19.63 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $17.13 | 1 |
What the 2025 payments were for
- Food and Beverage$153.49 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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