Quick answers
- Does Jiwon Helen Wyman accept Medicare assignment?
- Yes. Medicare's clinician data says Jiwon Helen Wyman 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 Jiwon Helen Wyman's NPI number?
- 1043746621. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jiwon Helen Wyman works
Medicare's Facility Affiliation Data lists Jiwon Helen Wyman 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.
- Saint Agnes Medical CenterFresno, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050093
Practice locations
Addresses where Jiwon Helen Wyman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1303 E Herndon AveFresno, CA 93720 (559) 450‑3301
- 726 4th StMarysville, CA 95901 (530) 740‑1900
Group practices
Medicare enrollment lists Jiwon Helen Wyman as a member of these groups (CMS data updated October 2, 2026).
- Rideout Memorial Hospital87 clinicians in the group
- Saint Agnes Medical Center58 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Other clinicians in Rideout Memorial Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1043746621 |
| 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