Bonnie Y. Chien, MD
NPI 1770964280ActiveIndividual· Orthopaedic Surgery· New York, NY
Orthopaedic Surgery (MD) in New York, New York, trained at Stanford University School of Medicine (class of 2015). 229 Medicare patients in 2024, $64,730 paid; nearly all of their 126 Part D prescriptions were generic (95%). Acumed LLC was the largest of 11 companies reporting payments in 2025, $3,829 in all, mostly food and beverage.
Overview
| NPI | 1770964280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 11, 2015 |
| Last updated in NPPES | Mar 14, 2023 |
| Certified by provider | Mar 14, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 308333 | NY |
| Orthopaedic Surgery | 207X00000X | L-263063 | MA |
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 - Orthopedic Surgery (NJ); Practitioner - Orthopedic Surgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 229 |
|---|---|
| Services billed | 845 across 43 procedure codes |
| Paid by Medicare | $64,730 |
Part D prescriptions in 2024
| Prescriptions (claims) | 126 · 130 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $2,030 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$3,829 · 31 payments from 11 companies
- 2024$6,442 · 41 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acumed LLC | $1,123 | 6 |
| Stryker Corporation | $827.01 | 9 |
| Gotham Surgical Solutions & Devices, Inc. | $649.43 | 5 |
| Arthrex, Inc. | $318.20 | 3 |
| Treace Medical Concepts, Inc. | $253.65 | 2 |
What the 2025 payments were for
- Food and Beverage$2,258 · 25 payments
- Travel and Lodging$1,571 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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