Sheila Chyu, MD
NPI 1548347495 · Internal Medicine Physician · Milpitas, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheila Chyu, MD is a Internal Medicine Physician provider in Milpitas, CA (NPI 1548347495).
Provider details
- NPI number
- 1548347495
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A80465 (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 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 331 | 126 |
| Amlodipine Besylate | 214 | 74 |
| Losartan Potassium | 196 | 73 |
| Levothyroxine Sodium | 172 | 57 |
| Lisinopril | 145 | 51 |
| Famotidine | 96 | 36 |
| Metformin Hcl | 96 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2021-12-08
Frequently asked questions
- What is Sheila Chyu's NPI number?
- Sheila Chyu's National Provider Identifier (NPI) is 1548347495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheila Chyu's specialty?
- Sheila Chyu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sheila Chyu located?
- Sheila Chyu's practice location on file with NPPES is 770 E Calaveras Blvd, Milpitas, CA 95035-5491.
- What is Sheila Chyu's phone number?
- The practice phone number listed in the NPPES registry for Sheila Chyu is (650) 945-2900.
- Does Sheila Chyu accept Medicare?
- Sheila Chyu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheila Chyu's NPI active?
- Yes — Sheila Chyu's NPI (1548347495) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.