Rudolph M. Chang, D.O.
NPI 1376835595ActiveIndividual· Family Medicine· Union City, CA
Family Medicine (D.O.) in Union City, California, trained at College of Osteo Med of the Pacific at Pomona (class of 2009). Part D covered 6,971 prescriptions written in 2024, 89% of them generic. Dexcom, Inc. reported $24.32 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1376835595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 5, 2011 |
| Last updated in NPPES | Feb 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A11580 | 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 - Family Practice (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 6,971 · 16,625 30-day fills |
|---|---|
| Patients | 1,228 |
| Total drug cost | $394,404 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | College of Osteo Med of the Pacific at Pomona |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Family Practice |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2024$24.32 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $24.32 | 1 |
What the 2024 payments were for
- Food and Beverage$24.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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