Quick answers
- Which hospitals does John W. Chen work at?
- Medicare's official clinician data lists John W. Chen at 1 hospital: Orange County Global Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John W. Chen see patients?
- Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
- What is John W. Chen's specialty?
- Medicare lists Neurology as the primary specialty.
- Does John W. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says John W. Chen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John W. Chen?
- (714) 202-0218, as listed in official Medicare / NPI Registry data.
- What is John W. Chen's NPI number?
- 1841210846. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John W. Chen works
Medicare's Facility Affiliation Data lists John W. Chen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Orange County Global Medical CenterSanta Ana, CA · Acute Care Hospital · CCN 050746
Practice locations
Addresses where John W. Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2617 E Chapman Ave, Suite 101Orange, CA 92869 (714) 202‑0218
Specialties
- Neurologyprimary
Other neurologists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841210846 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians