Wai Soon Chan, DO
NPI 1699263582 · Critical Care Medicine (Internal Medicine) Physician · Livingston, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wai Soon Chan, DO is a Critical Care Medicine (Internal Medicine) Physician provider in Livingston, NJ (NPI 1699263582).
Provider details
- NPI number
- 1699263582
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB11177700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,012 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 840 | $220 |
| Critical Care, Each Additional 30 Minutes99292 | 71 | $107 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 28 | $82 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 26 | $44 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 21 | $182 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 14 | $147 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$90 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-25
- Last updated
- 2025-01-12
- Certified
- 2025-01-12
Frequently asked questions
- What is Wai Soon Chan's NPI number?
- Wai Soon Chan's National Provider Identifier (NPI) is 1699263582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wai Soon Chan's specialty?
- Wai Soon Chan is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Wai Soon Chan located?
- Wai Soon Chan's practice location on file with NPPES is 94 Old Short Hills Rd, Livingston, NJ 07039-5672.
- What is Wai Soon Chan's phone number?
- The practice phone number listed in the NPPES registry for Wai Soon Chan is (973) 886-7819.
- Does Wai Soon Chan accept Medicare?
- Wai Soon Chan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wai Soon Chan's NPI active?
- Yes — Wai Soon Chan's NPI (1699263582) is active in the NPPES registry as of the last update on 2025-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.