Andrea Yao, M.D.
NPI 1740354059 · Nephrology Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Yao, M.D. is a Nephrology Physician provider in Hayward, CA (NPI 1740354059).
Provider details
- NPI number
- 1740354059
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A76246 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 106 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 408 | 57 |
| Gabapentin | 296 | 32 |
| Famotidine | 249 | 25 |
| Amlodipine Besylate | 242 | 31 |
| Levothyroxine Sodium | 187 | 14 |
| Metoprolol Tartrate | 179 | 23 |
| Tamsulosin Hcl | 173 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-20
- Last updated
- 2021-12-06
Frequently asked questions
- What is Andrea Yao's NPI number?
- Andrea Yao's National Provider Identifier (NPI) is 1740354059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Yao's specialty?
- Andrea Yao is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrea Yao located?
- Andrea Yao's practice location on file with NPPES is 27303 Sleepy Hollow Ave S, Hayward, CA 94545-4203.
- What is Andrea Yao's phone number?
- The practice phone number listed in the NPPES registry for Andrea Yao is (510) 454-1000.
- Does Andrea Yao accept Medicare?
- Andrea Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Yao's NPI active?
- Yes — Andrea Yao's NPI (1740354059) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.