Lily C. Chang, M.D.
NPI 1912967274ActiveIndividual· Surgery· Seattle, WA
Surgery (M.D.) in Seattle, Washington, trained at Tufts University School of Medicine (class of 1996). 87 Medicare patients in 2024, $43,693 paid; nearly all of their 122 Part D prescriptions were generic (99%). Intuitive Surgical, Inc. reported $3,634 in payments in 2025, mostly education.
Overview
| NPI | 1912967274 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 23, 2006 |
| Last updated in NPPES | Aug 11, 2025 |
| Certified by provider | Aug 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | MD00036409 | WA |
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 - General Surgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 178 across 41 procedure codes |
| Paid by Medicare | $43,693 |
Part D prescriptions in 2024
| Prescriptions (claims) | 122 · 155 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $2,080 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | General Surgery |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliation
- University of Washington Medical CtrSeattle, WA
Industry payments (Open Payments)
- 2025$3,634 · 9 payments from 1 company
- 2024$10,398 · 19 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $3,634 | 9 |
What the 2025 payments were for
- Education$2,500 · 2 payments
- Travel and Lodging$1,115 · 6 payments
- Food and Beverage$18.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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