Yao Der Shieh
NPI 1881321123 · Medical Physician Assistant · Pomona, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yao Der Shieh is a Medical Physician Assistant provider in Pomona, CA (NPI 1881321123).
Provider details
- NPI number
- 1881321123
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 61460 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 304 | 109 |
| Atorvastatin Calcium | 239 | 100 |
| Amlodipine Besylate | 238 | 91 |
| Valsartan | 159 | 54 |
| Olmesartan Medoxomil | 142 | 50 |
| Hydrochlorothiazide | 135 | 48 |
| Apixabanbrand: Eliquis | 133 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$627 across 34 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
- 2022-08-05
- Last updated
- 2022-08-05
- Certified
- 2022-08-05
Frequently asked questions
- What is Yao Der Shieh's NPI number?
- Yao Der Shieh's National Provider Identifier (NPI) is 1881321123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yao Der Shieh's specialty?
- Yao Der Shieh is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yao Der Shieh located?
- Yao Der Shieh's practice location on file with NPPES is 2740 N Garey Ave, Pomona, CA 91767-1800.
- What is Yao Der Shieh's phone number?
- The practice phone number listed in the NPPES registry for Yao Der Shieh is (909) 623-2300.
- Does Yao Der Shieh accept Medicare?
- Yao Der Shieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yao Der Shieh's NPI active?
- Yes — Yao Der Shieh's NPI (1881321123) is active in the NPPES registry as of the last update on 2022-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.