Yen-Hua Yu, D.O.
NPI 1134356868 · Emergency Medicine Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yen-Hua Yu, D.O. is a Emergency Medicine Physician provider in Pleasanton, CA (NPI 1134356868).
Provider details
- NPI number
- 1134356868
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20A12941 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
649 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 283 | $196 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 172 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 111 | $135 |
| Critical Care, First 30-74 Minutes99291 | 71 | $246 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 12 | $80 |
Typical Medicare-allowed amounts for these services range $8–$246 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 28 | 27 |
| Cephalexin | 24 | 24 |
| Ondansetronbrand: Ondansetron Odt | 23 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | 15 |
| Meclizine Hcl | 15 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 4601 Dale RoadKaiser Permanente Modesto Medical CenterModesto, CA 95356Phone: (209) 476-3484
Registry dates
- Enumerated
- 2009-06-21
- Last updated
- 2018-04-11
Frequently asked questions
- What is Yen-Hua Yu's NPI number?
- Yen-Hua Yu's National Provider Identifier (NPI) is 1134356868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yen-Hua Yu's specialty?
- Yen-Hua Yu is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yen-Hua Yu located?
- Yen-Hua Yu's practice location on file with NPPES is 5555 W Las Positas Blvd, Pleasanton, CA 94588-4000.
- What is Yen-Hua Yu's phone number?
- The practice phone number listed in the NPPES registry for Yen-Hua Yu is (925) 416-6585.
- Does Yen-Hua Yu accept Medicare?
- Yen-Hua Yu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yen-Hua Yu's NPI active?
- Yes — Yen-Hua Yu's NPI (1134356868) is active in the NPPES registry as of the last update on 2018-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.