Michael M. Chu, M.D.
NPI 1952491805ActiveIndividual· Internal Medicine, Gastroenterology· Arcadia, CA
Internal Medicine, Gastroenterology (M.D.) with Annie Shu and Michael Chu, practicing in Arcadia, California. 100 Medicare patients in 2024, $20,642 paid; nearly all of their 475 Part D prescriptions were generic (91%). Gilead Sciences, Inc. reported $14.55 in payments in 2025, mostly food and beverage. Lists Usc Arcadia Hospital as a hospital affiliation.
Overview
| NPI | 1952491805 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Nov 29, 2021 |
| Certified by provider | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A52399 | CA |
| Internal Medicine | 207R00000X | A52399 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 100 |
|---|---|
| Services billed | 199 across 16 procedure codes |
| Paid by Medicare | $20,642 |
Part D prescriptions in 2024
| Prescriptions (claims) | 475 · 590 30-day fills |
|---|---|
| Patients | 302 |
| Total drug cost | $15,845 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Annie Shu and Michael ChuArcadia, CA · 2 clinicians
Hospital affiliation
- Usc Arcadia HospitalArcadia, CA
Industry payments (Open Payments)
- 2025$14.55 · 1 payment from 1 company
- 2024$140.56 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $14.55 | 1 |
What the 2025 payments were for
- Food and Beverage$14.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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