Lan Chen, MD
NPI 1821257148ActiveIndividual· Orthopaedic Surgery· Lafayette, CO
Orthopaedic Surgery (MD) in Lafayette, Colorado, trained at Columbia University College of Physicians and Surgeons (class of 2005). 156 Medicare patients in 2024, $35,559 paid; all of their 73 Part D prescriptions were generic. Stryker Corporation was the largest of 2 companies reporting payments in 2025, $104.82 in all, mostly food and beverage.
Overview
| NPI | 1821257148 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2008 |
| Last updated in NPPES | Oct 7, 2024 |
| Certified by provider | Oct 7, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | DR.0073844 | CO |
| Orthopaedic Surgery | 207X00000X | 036127688 | IL |
| Orthopaedic Surgery | 207X00000X | C167204 | CA |
| Orthopaedic Surgery, Foot and Ankle Surgery | 207XX0004X | C167204 | 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 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 (CA); Practitioner - Orthopedic Surgery (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 397 across 39 procedure codes |
| Paid by Medicare | $35,559 |
Part D prescriptions in 2024
| Prescriptions (claims) | 73 · 74 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $1,486 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Colorado Permanente Medical Group PCDenver, CO · 1,327 clinicians
Industry payments (Open Payments)
- 2025$104.82 · 2 payments from 2 companies
- 2024$203.18 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $73.90 | 1 |
| Depuy Synthes Sales Inc. | $30.92 | 1 |
What the 2025 payments were for
- Food and Beverage$104.82 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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