Chang-Hwa Mary Chen, M.D.
NPI 1245287622ActiveIndividual· Anesthesiology· Duarte, CA
Anesthesiology (M.D.) with Bayside Anesthesia Medical Group, practicing in Duarte, California. Medicare paid $87,380 for services to 243 patients in 2024. Delcath Systems reported $41,013 in payments in 2025, mostly consulting fees. Lists Saint John's Health Center as a hospital affiliation.
Overview
| NPI | 1245287622 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 30, 2006 |
| Last updated in NPPES | Sep 26, 2023 |
| Certified by provider | Jun 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A85504 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 243 |
|---|---|
| Services billed | 338 across 75 procedure codes |
| Paid by Medicare | $87,380 |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Anesthesiology |
| Secondary specialties | Interventional Pain Management |
Medical group
- Bayside Anesthesia Medical GroupSanta Monica, CA · 46 clinicians
Hospital affiliation
- Saint John's Health CenterSanta Monica, CA
Industry payments (Open Payments)
- 2025$41,013 · 24 payments from 1 company
- 2024$52,281 · 37 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Delcath Systems | $41,013 | 24 |
What the 2025 payments were for
- Consulting Fee$32,500 · 9 payments
- Travel and Lodging$8,289 · 8 payments
- Food and Beverage$223.97 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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