Longwen Chen, M.D.
NPI 1881650778ActiveIndividual· Pathology, Clinical Pathology/Laboratory Medicine· Scottsdale, AZ
Pathology, Clinical Pathology/Laboratory Medicine (M.D.) with Mayo Clinic Arizona, practicing in Scottsdale, Arizona. Medicare paid $45,102 for services to 483 patients in 2024. Janssen Biotech, Inc. reported $80.74 in payments in 2025, mostly food and beverage. Lists Mayo Clinic Hospital as a hospital affiliation.
Overview
| NPI | 1881650778 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 21, 2006 |
| Last updated in NPPES | Oct 6, 2020 |
| Certified by provider | Oct 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Clinical Pathology/Laboratory Medicine Primary | 207ZP0105X | 45384 | AZ |
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 - Pathology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 483 |
|---|---|
| Services billed | 1,289 across 23 procedure codes |
| Paid by Medicare | $45,102 |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Pathology |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliation
- Mayo Clinic HospitalPhoenix, AZ
Industry payments (Open Payments)
- 2025$80.74 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $80.74 | 1 |
What the 2025 payments were for
- Food and Beverage$80.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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