Ryan Tay Chao, MD
NPI 1235471608ActiveIndividual· Radiology, Vascular & Interventional Radiology· Stanford, CA
Radiology, Vascular & Interventional Radiology (MD) with Stanford Health Care, practicing in Stanford, California. Medicare paid $73,082 for services to 1,652 patients in 2024. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1235471608 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2013 |
| Last updated in NPPES | Apr 5, 2024 |
| Certified by provider | Apr 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Vascular & Interventional Radiology Primary | 2085R0204X | A131676 | CA |
| Radiology, Radiation Oncology | 2085R0001X | A131676 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | A131676 | 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 - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,652 |
|---|---|
| Services billed | 2,676 across 138 procedure codes |
| Paid by Medicare | $73,082 |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Diagnostic Radiology |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, 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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