Yoon Hee Amy Chang, MD
NPI 1023294311ActiveIndividual· Internal Medicine, Sleep Medicine· Kirkland, WA
Internal Medicine, Sleep Medicine (MD) in Kirkland, Washington, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2006). 211 Medicare patients in 2024, $36,885 paid; nearly all of their 285 Part D prescriptions were generic (97%). Inspire Medical Systems, Inc. was the largest of 7 companies reporting payments in 2025, $1,253 in all, mostly food and beverage.
Overview
| NPI | 1023294311 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 16, 2008 |
| Last updated in NPPES | Dec 4, 2025 |
| Certified by provider | Dec 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Sleep Medicine Primary | 207RS0012X | MD60966285 | WA |
| Internal Medicine | 207R00000X | MD60966285 | 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 - Sleep Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 211 |
|---|---|
| Services billed | 677 across 15 procedure codes |
| Paid by Medicare | $36,885 |
Part D prescriptions in 2024
| Prescriptions (claims) | 285 · 414 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $11,455 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Sleep Medicine |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- King County Public Hospital District No 2Kirkland, WA · 608 clinicians
Hospital affiliation
- Evergreenhealth Medical CenterKirkland, WA
Industry payments (Open Payments)
- 2025$1,253 · 14 payments from 7 companies
- 2024$1,013 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $498.08 | 4 |
| Jazz Pharmaceuticals Inc. | $406.93 | 5 |
| Zoll Respicardia, Inc. | $147.58 | 1 |
| Resmed Corp | $95.17 | 1 |
| Novo Nordisk Inc | $58.01 | 1 |
What the 2025 payments were for
- Food and Beverage$1,158 · 13 payments
- Education$95.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Sleep Medicine providers in Kirkland
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All Internal Medicine, Sleep Medicine providers in Washington →