Quick answers
- Does Jason S. Cowen accept Medicare assignment?
- Yes. Medicare's clinician data says Jason S. Cowen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Jason S. Cowen's NPI number?
- 1245056688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jason S. Cowen works
Medicare's Facility Affiliation Data lists Jason S. Cowen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Redlands Community HospitalRedlands, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050272
- San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099
Practice locations
Addresses where Jason S. Cowen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1901 W Lugonia AveRedlands, CA 92374 (909) 557‑1600
- 2131 Elks Dr, 201 Arrowhead OrthopaedicsSan Bernardino, CA 92404 (909) 726‑6100
- 3889 W Stetson Ave, 150 Arrowhead OrthopaedicsHemet, CA 92545 (951) 652‑1600
- 8805 Haven Ave, Suite 100110Rancho Cucamonga, CA 91730 (909) 557‑1600
- 8805 Haven Ave, Suite 200Rancho Cucamonga, CA 91730 (909) 912‑1750
Group practices
Medicare enrollment lists Jason S. Cowen as a member of this group (CMS data updated October 2, 2026).
- San Bernardino Medical Orthopaedic Group Inc91 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Redlands
Clinicians with the same Medicare primary specialty in Redlands, CA — not a recommendation.
Other clinicians in San Bernardino Medical Orthopaedic Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245056688 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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