Quick answers
- Does Wai Soon Chan accept Medicare assignment?
- Yes. Medicare's clinician data says Wai Soon Chan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Wai Soon Chan see?
- In 2024, CMS data shows 411 Original Medicare patients and 1,053 services for Wai Soon Chan. This counts Original Medicare only and measures volume, not quality.
- What is Wai Soon Chan's NPI number?
- 1699263582. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Wai Soon Chan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 411 |
|---|---|
| Services billed to Medicare | 1,053 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Critical care, first 30-74 minutes (99291)840 services
- Critical care, each additional 30 minutes (99292)71 services
- Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)28 services
- Insertion of artery tube for blood sampling or infusion through skin (36620)26 services
- Emergency department visit with high level of medical decision making (99285)21 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Chronic kidney disease52%
- Ischemic heart disease49%
- Arthritis48%
Hospitals where Wai Soon Chan works
Medicare's Facility Affiliation Data lists Wai Soon Chan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076
- Newark Beth Israel Medical CenterNewark, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310002
- Robert Wood Johnson University Hospital at RahwayRahway, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310024
Practice locations
Addresses where Wai Soon Chan is enrolled with Medicare (CMS data updated October 2, 2026).
- 201 Lyons AveNewark, NJ 07112 (973) 926‑7000
- 94 Old Short Hills RdLivingston, NJ 07039 (973) 322‑5000
Group practices
Medicare enrollment lists Wai Soon Chan as a member of these groups (CMS data updated October 2, 2026).
- RWJBH Observation Associates LLC1,008 clinicians in the group
- RWJBH Emergency Medicine Associates, LLC848 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Newark
Clinicians with the same Medicare primary specialty in Newark, NJ — not a recommendation.
Other clinicians in RWJBH Observation Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Rowan University School Of Osteopathic Medicine |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699263582 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians