Chibong Alex Yu, D.O., M.P.H.
NPI 1043573694ActiveIndividual· Internal Medicine, Infectious Disease· Whittier, CA
Internal Medicine, Infectious Disease (D.O., M.P.H.) with Inpatient Specialists of California PC, practicing in Whittier, California. 389 Medicare patients in 2024, $238,185 paid; nearly all of their 52 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 2 companies reporting payments in 2025, $262.81 in all, mostly food and beverage. Lists Community Hospital of San Bernardino and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1043573694 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O., M.P.H. |
| Sole proprietor | No |
| NPI issued | Jun 19, 2012 |
| Last updated in NPPES | Nov 6, 2026 |
| Certified by provider | Nov 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 20A14168 | 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 - Internal Medicine (AZ); Practitioner - Infectious Disease (CA); Practitioner - Internal Medicine (ID); Practitioner - Internal Medicine (MT); Practitioner - Internal Medicine (NM) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 2,731 across 8 procedure codes |
| Paid by Medicare | $238,185 |
Part D prescriptions in 2024
| Prescriptions (claims) | 52 · 52 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $6,294 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Medical group
- Inpatient Specialists of California PCOakdale, CA · 385 clinicians
Hospital affiliations
- Community Hospital of San BernardinoSan Bernardino, CA
- Emanate Health Inter-Community HospitalCovina, CA
- Pih Health Hospital-WhittierWhittier, CA
- Saint Francis Medical CenterLynwood, CA
- St Bernardine Medical CenterSan Bernardino, CA
Industry payments (Open Payments)
- 2025$262.81 · 5 payments from 2 companies
- 2024$131.21 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $140.68 | 4 |
| Shionogi Inc | $122.13 | 1 |
What the 2025 payments were for
- Food and Beverage$262.81 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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