Quick answers
- Which hospitals does Mark H. Schwab work at?
- Medicare's official clinician data lists Mark H. Schwab at 1 hospital: Seneca District Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark H. Schwab see patients?
- Medicare's clinician data lists 1 practice location in Chester, CA. Call before your visit to confirm the address.
- What is Mark H. Schwab's specialty?
- Medicare lists General Practice as the primary specialty, and also Emergency Medicine.
- Does Mark H. Schwab accept Medicare assignment?
- Yes. Medicare's clinician data says Mark H. Schwab 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 Mark H. Schwab's NPI number?
- 1134137722. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark H. Schwab works
Medicare's Facility Affiliation Data lists Mark H. Schwab at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Seneca District HospitalChester, CA · Critical Access Hospital · CCN 051327
Practice locations
Addresses where Mark H. Schwab is enrolled with Medicare (CMS data updated 2026-10-02).
- PO Box, Suite 737Chester, CA 96020
Group practices
Medicare enrollment lists Mark H. Schwab as a member of this group (CMS data updated 2026-10-02).
- Seneca Healthcare District21 clinicians in the group
Specialties
- General Practiceprimary
- Emergency Medicinealso
Other general practitioners in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1134137722 |
| 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