Shiau-Yeng Lai
NPI 1356449045 · Family Medicine Physician · Mountain View, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shiau-Yeng Lai is a Family Medicine Physician provider in Mountain View, CA (NPI 1356449045).
Provider details
- NPI number
- 1356449045
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A90475 (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
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
47 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) |
|---|---|---|
| X-Ray of Chest, 2 Views71046 | 16 | $33 |
| X-Ray of Knee, 3 Views73562 | 16 | $45 |
| Screening Mammography77067 | 15 | $130 |
Typical Medicare-allowed amounts for these services range $33–$130 (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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 289 | 87 |
| Amlodipine Besylate | 241 | 69 |
| Metformin Hcl | 135 | 42 |
| Levothyroxine Sodium | 116 | 30 |
| Gabapentin | 102 | 34 |
| Fluticasone Propionate | 95 | 36 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2010-12-05
Frequently asked questions
- What is Shiau-Yeng Lai's NPI number?
- Shiau-Yeng Lai's National Provider Identifier (NPI) is 1356449045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shiau-Yeng Lai's specialty?
- Shiau-Yeng Lai is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shiau-Yeng Lai located?
- Shiau-Yeng Lai's practice location on file with NPPES is 701 E El Camino Real, Mountain View, CA 94040-2833.
- What is Shiau-Yeng Lai's phone number?
- The practice phone number listed in the NPPES registry for Shiau-Yeng Lai is (408) 739-6000.
- Does Shiau-Yeng Lai accept Medicare?
- Shiau-Yeng Lai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shiau-Yeng Lai's NPI active?
- Yes — Shiau-Yeng Lai's NPI (1356449045) is active in the NPPES registry as of the last update on 2010-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.