Quick answers
- Which hospitals does Baron D. Harper work at?
- Medicare's official clinician data lists Baron D. Harper at 1 hospital: Adventist Health and Rideout. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Baron D. Harper see patients?
- Medicare's clinician data lists 1 practice location in Marysville, CA. Call before your visit to confirm the address.
- What is Baron D. Harper's specialty?
- Medicare lists Cardiac Surgery as the primary specialty, and also Thoracic Surgery.
- Does Baron D. Harper accept Medicare assignment?
- Yes. Medicare's clinician data says Baron D. Harper 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 Baron D. Harper?
- (530) 743-5125, as listed in official Medicare / NPI Registry data.
- What is Baron D. Harper's NPI number?
- 1588695902. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Baron D. Harper works
Medicare's Facility Affiliation Data lists Baron D. Harper at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health and RideoutMarysville, CA · Acute Care Hospital · CCN 050133
Practice locations
Addresses where Baron D. Harper is enrolled with Medicare (CMS data updated 2026-10-02).
- 401 I StMarysville, CA 95901 (530) 743‑5125
Group practices
Medicare enrollment lists Baron D. Harper as a member of this group (CMS data updated 2026-10-02).
- Adventist Health Physicians Network628 clinicians in the group
Specialties
- Cardiac Surgeryprimary
- Thoracic Surgeryalso
Other cardiac surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588695902 |
| 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