Lily Kao, MD
NPI 1578742888ActiveIndividual· Internal Medicine, Rheumatology· San Jose, CA
Internal Medicine, Rheumatology (MD) in San Jose, California, trained at Stanford University School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $4,037,963 for 2,936 claims, against $97,690 paid for services in 2024. Abbvie Inc. was the largest of 27 companies reporting payments in 2025, $3,095 in all, mostly food and beverage.
Overview
| NPI | 1578742888 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2007 |
| Last updated in NPPES | Nov 11, 2023 |
| Certified by provider | Nov 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A100943 | CA |
| Internal Medicine | 207R00000X | A100943 | CA |
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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 3,238 across 25 procedure codes |
| Paid by Medicare | $97,690 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,936 · 5,223 30-day fills |
|---|---|
| Patients | 340 |
| Total drug cost | $4,037,963 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliation
- Santa Clara Valley Medical CenterSan Jose, CA
Industry payments (Open Payments)
- 2025$3,095 · 152 payments from 27 companies
- 2024$3,414 · 173 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $664.29 | 20 |
| Amgen Inc. | $495.88 | 30 |
| Aurinia Pharma U.S., Inc. | $247.70 | 10 |
| Novartis Pharmaceuticals Corporation | $192.81 | 10 |
| Glaxosmithkline, LLC. | $173.25 | 12 |
What the 2025 payments were for
- Food and Beverage$3,095 · 152 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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