Lawrence Kai Yiu Chau, DO
NPI 1396221438ActiveIndividual· Hospitalist· Anaheim, CA
Hospitalist (DO) with Chest and Critical Care Consultants A Medical Group, practicing in Anaheim, California. 190 Medicare patients in 2024, $68,207 paid; nearly all of their 663 Part D prescriptions were generic (90%). Pfizer Inc. reported $15.26 in payments in 2025, mostly food and beverage. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1396221438 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 12, 2018 |
| Last updated in NPPES | Mar 1, 2022 |
| Certified by provider | Mar 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 20A17369 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine | 207R00000X | 20A17369 | CA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 642 across 8 procedure codes |
| Paid by Medicare | $68,207 |
Part D prescriptions in 2024
| Prescriptions (claims) | 663 · 706 30-day fills |
|---|---|
| Patients | 156 |
| Total drug cost | $54,380 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Chest and Critical Care Consultants A Medical GroupTustin, CA · 71 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Other facilities
- Lakeside Hospice Care, IncHospice · La Habra, CA
- New Orange HillsNursing home · Orange, CA
Industry payments (Open Payments)
- 2025$15.26 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $15.26 | 1 |
What the 2025 payments were for
- Food and Beverage$15.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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