Ryan Chen, MD
NPI 1831516095ActiveIndividual· Surgery· Roseville, CA
Surgery (MD) in Roseville, California, trained at Saint Louis University School of Medicine (class of 2014). 204 Medicare patients in 2024, $67,467 paid; nearly all of their 145 Part D prescriptions were generic (99%). Medical Device Business Services, Inc. was the largest of 5 companies reporting payments in 2025, $2,896 in all, mostly travel and lodging.
Overview
| NPI | 1831516095 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 26, 2014 |
| Last updated in NPPES | Jun 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A158963 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 418 across 74 procedure codes |
| Paid by Medicare | $67,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 145 · 145 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $1,058 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | General Surgery |
Medical group
- Sierra Medical PartnershipFolsom, CA · 18 clinicians
Hospital affiliations
- Marshall Medical CenterPlacerville, CA
- Mercy Hospital of FolsomFolsom, CA
- Sutter Roseville Medical CenterRoseville, CA
Industry payments (Open Payments)
- 2025$2,896 · 22 payments from 5 companies
- 2024$1,579 · 21 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medical Device Business Services, Inc. | $1,863 | 7 |
| Globus Medical, Inc. | $804.38 | 6 |
| Ethicon US, LLC | $158.01 | 6 |
| Tela Bio, Inc. | $47.84 | 2 |
| Intuitive Surgical, Inc. | $22.19 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,488 · 9 payments
- Food and Beverage$407.94 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general surgeons in Roseville
- 1053799874
- 1114341732
- 1295859858
- 1316928070
- 1417443334
- 1467869354
- 1629289186
- 1750435707
- 1891716023
- 1477965598
- 1548432974
- 1982890711
All 48 general surgeons in Roseville · All general surgeons in California