DR. WAI YIP CHAU (M.D.) – Surgery Physician, NPI 1467546325
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. WAI YIP CHAU (M.D.)
5 Plainsboro Rd Ste 275
Plainsboro, NJ 085361915
Phone: (609) 785-5870
Fax: (609) 785-5867
Type: Location
4250 US HIGHWAY 1
SUITE 1
MONMOUTH JUNCTION, NJ 088521966
Phone: (732) 274-3434
Fax: (732) 274-3435
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $156.
Total Amount is formed as General ($156) + Research ($0) + Ownership ($0) = $156.
Last reported payment date: 2024-10-09 • Largest payer in this snapshot: Ethicon US, LLC ($156).
Total Amount
$156
General + Research + Ownership
Payments
5
Total payment records
General Amount
$156
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ethicon US, LLC | $156 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-08-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040813000789 | I | General Surgery | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 21 | 13 | $0 |
Insurance plans in this area (ZIP 08536)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | NJ | |
| Internal Medicine | NJ | |
| Physician Assistant | PA | |
| - | PA | |
| - | NJ | |
| Nurse Practitioner | PA | |
| Cardiovascular Disease (Cardiology) | PA | |
| Nurse Practitioner | NJ | |
| Physician Assistant | PA | |
| - | PA |
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