Siyuan Cao
NPI 1871958223ActiveIndividual· Internal Medicine· Boston, MA
Internal Medicine in Boston, Massachusetts, trained at Johns Hopkins University School of Medicine (class of 2018). Enrolled in Medicare as practitioner - pulmonary disease. Actelion Pharmaceuticals US, Inc. was the largest of 4 companies reporting payments in 2025, $621.58 in all, mostly food and beverage.
Overview
| NPI | 1871958223 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Dec 29, 2015 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 308878 | NY |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 1023421 | MA |
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 - Pulmonary Disease (MA) |
|---|
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Pulmonary Disease |
Medical group
- Bmc Affiliated Physicians, Inc.Brockton, MA · 564 clinicians
Hospital affiliations
- Boston Medical CenterBoston, MA
- Boston Medical Center-BrightonBrighton, MA
- Good Samaritan Medical CenterBrockton, MA
- Holy Family HospitalMethuen, MA
Industry payments (Open Payments)
- 2025$621.58 · 19 payments from 4 companies
- 2024$898.10 · 18 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $229.06 | 7 |
| United Therapeutics Corporation | $225.87 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $101.38 | 3 |
| Merck Sharp & Dohme LLC | $65.27 | 3 |
What the 2025 payments were for
- Food and Beverage$621.58 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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