Doctor profile · Federal record

Dr. Wai Soon Chan, DO

Critical Care Medicine (Internal Medicine) Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Livingston, NJ

  • NPI 1699263582
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
94 Old Short Hills RD
Livingston, NJ 070395672
(973) 886-7819

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
January 12, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
New Jersey #25MB11177700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699263582. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
3
Medicare allowed
$43,177
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 121 63 $224
99285 Emergency department visit with high level of medical decision making 77 68 $186
99284 Emergency department visit with moderate level of medical decision making 14 14 $128

In context: peer comparison

Among 5 peers in this city , average services per provider: 66. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$90
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Chiesi USA, Inc. 2 $28.87
ABBVIE INC. 1 $17.44
AstraZeneca Pharmaceuticals LP 1 $17.00
La Jolla Pharmaceutical Company 1 $13.42
Shionogi Inc 1 $13.22

By nature of payment

Food and Beverage
$90

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wai Soon Chan's medical specialty?
Dr. Wai Soon Chan practices Critical Care Medicine (Internal Medicine) Physician in Livingston, NJ.
Where does Dr. Wai Soon Chan practice?
Dr. Wai Soon Chan practices at 94 Old Short Hills RD, Livingston, NJ 070395672. Office phone: 9738867819.
What is Dr. Wai Soon Chan's NPI?
Dr. Wai Soon Chan's National Provider Identifier (NPI) is 1699263582, issued by NPPES.
Does Dr. Wai Soon Chan accept Medicare assignment?
Yes. Dr. Wai Soon Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wai Soon Chan commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.