Jefferson William Chen, MD PHD
NPI 1992789747ActiveIndividual· Neurological Surgery· Orange, CA
Neurological Surgery (MD PHD) in Orange, California, trained at Johns Hopkins University School of Medicine (class of 1987). Mostly services rather than prescriptions: Medicare paid $89,226 for 198 patients in 2024, with only 16 Part D claims. Clearpoint Neuro, Inc. reported $53.48 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1992789747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD PHD |
| Sole proprietor | No |
| NPI issued | Dec 5, 2005 |
| Last updated in NPPES | Nov 3, 2022 |
| Certified by provider | Nov 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A45489 | CA |
| Neurological Surgery | 207T00000X | MD21924 | OR |
| Neurological Surgery | 207T00000X | J6902 | TX |
| Neurological Surgery | 207T00000X | 21671 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 198 |
|---|---|
| Services billed | 656 across 35 procedure codes |
| Paid by Medicare | $89,226 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16 · 17 30-day fills |
|---|---|
| Total drug cost | $89.53 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaOrange, CA · 27 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Mission Home Health of Irvine, LLCHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$53.48 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Clearpoint Neuro, Inc. | $53.48 | 2 |
What the 2025 payments were for
- Food and Beverage$53.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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