Christopher Han-Lin Yian, M.D.
NPI 1003913336ActiveIndividual· Otolaryngology· Laguna Hills, CA
Otolaryngology (M.D.) in Laguna Hills, California, trained at University of Michigan Medical School (class of 1997). 410 Medicare patients in 2024, $131,357 paid; nearly all of their 879 Part D prescriptions were generic (92%). Genzyme Corporation was the largest of 8 companies reporting payments in 2025, $780.14 in all, mostly food and beverage.
Overview
| NPI | 1003913336 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Aug 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A77603 | CA |
| Specialist | 174400000X | BY6374564 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 410 |
|---|---|
| Services billed | 1,437 across 32 procedure codes |
| Paid by Medicare | $131,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 879 · 1,124 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $127,065 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Otolaryngology |
Medical group
- Orange County Ear Nose and ThroatIrvine, CA · 3 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
Industry payments (Open Payments)
- 2025$780.14 · 35 payments from 8 companies
- 2024$489.81 · 24 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $275.66 | 10 |
| Regeneron Healthcare Solutions, Inc. | $190.68 | 7 |
| Glaxosmithkline, LLC. | $168.90 | 11 |
| Optinose US, Inc. | $42.53 | 2 |
| Abbvie Inc. | $36.73 | 2 |
What the 2025 payments were for
- Food and Beverage$780.14 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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