Yu-Ming Chang, M.D., PH.D.
NPI 1760659866ActiveIndividual· Internal Medicine, Gastroenterology· Fremont, CA
Internal Medicine, Gastroenterology (M.D., PH.D.) with Alameda Health System, practicing in Fremont, California. Medicare paid $1,871 for services to 15 patients in 2024. Lists Highland Hospital as a hospital affiliation.
Overview
| NPI | 1760659866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | May 8, 2008 |
| Last updated in NPPES | Jan 25, 2022 |
| Certified by provider | Jan 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A110174 | CA |
| Internal Medicine | 207R00000X | A110174 | CA |
| Internal Medicine | 207R00000X | 4301097844 | MI |
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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 20 across 8 procedure codes |
| Paid by Medicare | $1,871 |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Alameda Health SystemOakland, CA · 601 clinicians
Hospital affiliation
- Highland HospitalOakland, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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