Wen-Yuan Chiang, D.O.
NPI 1295753655 · Nephrology Physician · South Gate, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wen-Yuan Chiang, D.O. is a Nephrology Physician provider in South Gate, CA (NPI 1295753655).
Provider details
- NPI number
- 1295753655
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A8521 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
555 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) |
|---|---|---|
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 367 | $369 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $138 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 59 | $306 |
| Hemodialysis Procedure With Physician Evaluation90935 | 14 | $73 |
Typical Medicare-allowed amounts for these services range $73–$369 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 173 | 44 |
| Fat Emulsion/Olive/Soy/Phosphobrand: Clinolipid | 113 | — |
| Nifedipinebrand: Nifedipine Er | 76 | 26 |
| Calcitriol | 63 | 21 |
| Dapagliflozin Propanediolbrand: Farxiga | 62 | 20 |
| Amlodipine Besylate | 61 | 26 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,842 across 21 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
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2016-01-28
Frequently asked questions
- What is Wen-Yuan Chiang's NPI number?
- Wen-Yuan Chiang's National Provider Identifier (NPI) is 1295753655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wen-Yuan Chiang's specialty?
- Wen-Yuan Chiang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Wen-Yuan Chiang located?
- Wen-Yuan Chiang's practice location on file with NPPES is 9844 Atlantic Ave, South Gate, CA 90280-5219.
- What is Wen-Yuan Chiang's phone number?
- The practice phone number listed in the NPPES registry for Wen-Yuan Chiang is (310) 631-3502.
- Does Wen-Yuan Chiang accept Medicare?
- Wen-Yuan Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wen-Yuan Chiang's NPI active?
- Yes — Wen-Yuan Chiang's NPI (1295753655) is active in the NPPES registry as of the last update on 2016-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.