Wei-Tzuoh Chen, MD
NPI 1184732398 · Internal Medicine Physician · Visalia, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wei-Tzuoh Chen, MD is a Internal Medicine Physician provider in Visalia, CA (NPI 1184732398).
Provider details
- NPI number
- 1184732398
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A34640 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
243 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 111 | $352 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 44 | $292 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 11 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 11 | $10 |
| Vitamin D-3 Level82306 | 11 | $29 |
| Magnesium Level83735 | 11 | $7 |
| Parathormone (parathyroid Hormone) Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Parenteral Amino Acid 20% No.1brand: Prosol | 144 | — |
| Parenteral Amino Acid 15% No.5brand: Clinisol | 42 | — |
| Amlodipine Besylate | 26 | — |
| Sevelamer Carbonate | 25 | — |
| Allopurinol | 23 | 11 |
| Calcium Acetate | 16 | — |
| Metoprolol Tartrate | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-28
- Last updated
- 2011-06-24
Frequently asked questions
- What is Wei-Tzuoh Chen's NPI number?
- Wei-Tzuoh Chen's National Provider Identifier (NPI) is 1184732398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wei-Tzuoh Chen's specialty?
- Wei-Tzuoh Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wei-Tzuoh Chen located?
- Wei-Tzuoh Chen's practice location on file with NPPES is 431 S Bridge Street, Visalia, CA 93277.
- What is Wei-Tzuoh Chen's phone number?
- The practice phone number listed in the NPPES registry for Wei-Tzuoh Chen is (559) 732-4662.
- Does Wei-Tzuoh Chen accept Medicare?
- Wei-Tzuoh Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wei-Tzuoh Chen's NPI active?
- Yes — Wei-Tzuoh Chen's NPI (1184732398) is active in the NPPES registry as of the last update on 2011-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.