Mark Z. Chen, M.D.
NPI 1730132549ActiveIndividual· Radiology, Diagnostic Radiology· Newport Beach, CA
Radiology, Diagnostic Radiology (M.D.) in Newport Beach, California, trained at University of California, Geffen School of Medicine (class of 1995). Medicare paid $240,158 for services to 4,732 patients in 2024. Paratek Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $99.62 in all, mostly food and beverage.
Overview
| NPI | 1730132549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Dec 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | A61010 | CA |
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 - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 4,732 |
|---|---|
| Services billed | 8,559 across 209 procedure codes |
| Paid by Medicare | $240,158 |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Newport Harbor Radiology Associates Medical Group IncNewport Beach, CA · 70 clinicians
- Newport Center Radiology Associates Medical Group IncTustin, CA · 59 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Hoag Orthopedic InstituteIrvine, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$99.62 · 5 payments from 2 companies
- 2024$18.56 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Paratek Pharmaceuticals, Inc. | $75.76 | 4 |
| Kerecis Limited | $23.86 | 1 |
What the 2025 payments were for
- Food and Beverage$99.62 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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