Alex Hieu Ly, M.D.
NPI 1134380173ActiveIndividual· Internal Medicine· Fullerton, CA
Internal Medicine (M.D.) with Sutter Bay Medical Foundation and 1 other group, practicing in Fullerton, California. Medicare paid $28,192 for services to 220 patients in 2024. Novartis Pharmaceuticals Corporation reported $106.14 in payments in 2025, mostly food and beverage. Lists Alta Bates Summit Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1134380173 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 23, 2008 |
| Last updated in NPPES | Jun 10, 2022 |
| Certified by provider | Sep 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A120555 | CA |
| Internal Medicine | 207R00000X | 266249 | NY |
| Internal Medicine | 207R00000X | MD18844 | ME |
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 (CA); Practitioner - Internal Medicine (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 275 across 11 procedure codes |
| Paid by Medicare | $28,192 |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Providence St. Jude Medical CenterFullerton, CA
Industry payments (Open Payments)
- 2025$106.14 · 1 payment from 1 company
- 2024$179.47 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $106.14 | 1 |
What the 2025 payments were for
- Food and Beverage$106.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 internal medicine physicians in Fullerton · All internal medicine physicians in California