Quick answers
- Where does Stephanie Yen see patients?
- Medicare's clinician data lists 3 practice locations, including Yuma, AZ and San Diego, CA. Call before your visit to confirm the address.
- What is Stephanie Yen's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Stephanie Yen accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie Yen 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 Stephanie Yen?
- (928) 336-2000, as listed in official Medicare / NPI Registry data.
- What is Stephanie Yen's NPI number?
- 1699154237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stephanie Yen is enrolled with Medicare (CMS data updated 2026-10-02).
- 11351 E S Frontage RdYuma, AZ 85367 (928) 336‑2000
- 2400 S Ave AYuma, AZ 85364 (928) 344‑2000
- 300 Fir StSan Diego, CA 92101 (848) 499‑2600
Group practices
Medicare enrollment lists Stephanie Yen as a member of these groups (CMS data updated 2026-10-02).
- Sharp Rees-Stealy Medical Group Inc884 clinicians in the group
- Sierra Estrellas Emergency Physicians LLC39 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Yuma
Clinicians with the same Medicare primary specialty in Yuma, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699154237 |
| 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
- 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