Quick answers
- Which hospitals does James S. Lopez work at?
- Medicare's official clinician data lists James S. Lopez at 3 hospitals: Baxter Health, Mercy Hospital Northwest Arkansas and Washington Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James S. Lopez see patients?
- Medicare's clinician data lists 2 practice locations, including Springdale, AR and Rogers, AR. Call before your visit to confirm the address.
- What is James S. Lopez's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James S. Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says James S. Lopez 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. Lopez?
- (479) 587-1700, as listed in official Medicare / NPI Registry data.
- What is James S. Lopez's NPI number?
- 1699206946. 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. Lopez works
Medicare's Facility Affiliation Data lists James S. Lopez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baxter HealthMountain Home, AR · Acute Care Hospital · CCN 040027
- Mercy Hospital Northwest ArkansasRogers, AR · Acute Care Hospital · CCN 040010
- Washington Regional Medical CenterFayetteville, AR · Acute Care Hospital · CCN 040004
Practice locations
Addresses where James S. Lopez is enrolled with Medicare (CMS data updated 2026-10-02).
- 3901 Pkwy CirSpringdale, AR 72762 (479) 587‑1700
- 808 S 52nd StRogers, AR 72758 (479) 936‑9900
Group practices
Medicare enrollment lists James S. Lopez as a member of this group (CMS data updated 2026-10-02).
- Highlands Oncology Group PA84 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Springdale
Clinicians with the same Medicare primary specialty in Springdale, AR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In Shreveport |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699206946 |
| 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