Wanhua Yang, M.D. PH.D.
NPI 1922360627 · Anatomic Pathology & Clinical Pathology Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wanhua Yang, M.D. PH.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Santa Rosa, CA (NPI 1922360627).
Provider details
- NPI number
- 1922360627
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. PH.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
7,760 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 3,363 | $37 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 1,584 | $28 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 595 | $35 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 587 | $42 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 260 | $28 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 256 | $36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$132 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 250 Bon Air RdGreenbrae, CA 94904-1702Phone: (415) 925-7174Fax: (415) 461-7228
Registry dates
- Enumerated
- 2012-06-09
- Last updated
- 2022-07-21
Frequently asked questions
- What is Wanhua Yang's NPI number?
- Wanhua Yang's National Provider Identifier (NPI) is 1922360627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wanhua Yang's specialty?
- Wanhua Yang is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Wanhua Yang located?
- Wanhua Yang's practice location on file with NPPES is 1165 Montgomery Dr, Santa Rosa, CA 95405-4801.
- What is Wanhua Yang's phone number?
- The practice phone number listed in the NPPES registry for Wanhua Yang is (707) 525-5352.
- Does Wanhua Yang accept Medicare?
- Wanhua Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wanhua Yang's NPI active?
- Yes — Wanhua Yang's NPI (1922360627) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.