Quick answers
- Which hospitals does Wanhua Yang work at?
- Medicare's official clinician data lists Wanhua Yang at 5 hospitals: Petaluma Valley Hospital, Providence Redwood Memorial Hospital, Providence Santa Rosa Memorial Hospital, Providence St Joseph Hospital and Sutter Santa Rosa Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wanhua Yang see patients?
- Medicare's clinician data lists 1 practice location in Santa Rosa, CA. Call before your visit to confirm the address.
- What is Wanhua Yang's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Wanhua Yang accept Medicare assignment?
- Yes. Medicare's clinician data says Wanhua Yang 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 Wanhua Yang?
- (707) 525-5352, as listed in official Medicare / NPI Registry data.
- What is Wanhua Yang's NPI number?
- 1922360627. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wanhua Yang works
Medicare's Facility Affiliation Data lists Wanhua Yang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Petaluma Valley HospitalPetaluma, CA · Acute Care Hospital · CCN 050136
- Providence Redwood Memorial HospitalFortuna, CA · Critical Access Hospital · CCN 051318
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Providence St Joseph HospitalEureka, CA · Acute Care Hospital · CCN 050006
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050291
Practice locations
Addresses where Wanhua Yang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1165 Montgomery DrSanta Rosa, CA 95405 (707) 525‑5352
Group practices
Medicare enrollment lists Wanhua Yang as a member of this group (CMS data updated 2026-10-02).
- Marin Medical Laboratories8 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Santa Rosa
Clinicians with the same Medicare primary specialty in Santa Rosa, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922360627 |
| 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