Liying Cai, M.D., PH.D.
NPI 1023278884ActiveIndividual· Internal Medicine, Cardiovascular Disease· Duarte, CA
Internal Medicine, Cardiovascular Disease (M.D., PH.D.) with City of Hope Medical Foundation, practicing in Duarte, California. In 2024 Medicare paid $117,808 for 1,625 patients, and Part D covered 951 of their prescriptions, 87% of them generic. Boehringer Ingelheim Pharmaceuticals, Inc. reported $123.92 in payments in 2025, mostly food and beverage. Lists Casa Colina Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1023278884 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Jun 13, 2008 |
| Last updated in NPPES | Aug 24, 2022 |
| Certified by provider | Aug 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | A116308 | 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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,625 |
|---|---|
| Services billed | 3,272 across 37 procedure codes |
| Paid by Medicare | $117,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 951 · 1,883 30-day fills |
|---|---|
| Patients | 172 |
| Total drug cost | $98,048 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliations
- Casa Colina HospitalPomona, CA
- Providence St. Jude Medical CenterFullerton, CA
- San Antonio Regional HospitalUpland, CA
- Usc Arcadia HospitalArcadia, CA
Industry payments (Open Payments)
- 2025$123.92 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $123.92 | 1 |
What the 2025 payments were for
- Food and Beverage$123.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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