Quick answers
- Which hospitals does James S. Chan work at?
- Medicare's official clinician data lists James S. Chan at 1 hospital: Mercy Health St Ritas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James S. Chan see patients?
- Medicare's clinician data lists 2 practice locations, including Las Vegas, NV and Lima, OH. Call before your visit to confirm the address.
- What is James S. Chan's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does James S. Chan accept Medicare assignment?
- Yes. Medicare's clinician data says James S. Chan 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 James S. Chan?
- (702) 731-8585, as listed in official Medicare / NPI Registry data.
- What is James S. Chan's NPI number?
- 1427281013. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James S. Chan works
Medicare's Facility Affiliation Data lists James S. Chan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Health St Ritas Medical CenterLima, OH · Acute Care Hospital · CCN 360066
Practice locations
Addresses where James S. Chan is enrolled with Medicare (CMS data updated 2026-10-02).
- 3186 S Maryland PkwyLas Vegas, NV 89109 (702) 731‑8585
- 730 W Market StLima, OH 45801 (419) 227‑3361
Group practices
Medicare enrollment lists James S. Chan as a member of these groups (CMS data updated 2026-10-02).
- Fremont Emergency Services Scherr Ltd133 clinicians in the group
- Mercy Emergency Care Services Inc63 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Las Vegas
Clinicians with the same Medicare primary specialty in Las Vegas, NV — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427281013 |
| 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