Chengan Chien, MD
NPI 1205578119 · Student in an Organized Health Care Education/Training Program · Saratoga, CA
Chengan Chien, MD is a Student in an Organized Health Care Education/Training Program provider in Saratoga, CA (NPI 1205578119).
Provider details
- NPI number
- 1205578119
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 57 | 28 |
| Lisinopril | 36 | 16 |
| Amlodipine Besylate | 21 | — |
| Metformin Hcl | 21 | 11 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 18 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-11
- Last updated
- 2022-04-11
- Certified
- 2022-04-11
Frequently asked questions
- What is Chengan Chien's NPI number?
- Chengan Chien's National Provider Identifier (NPI) is 1205578119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chengan Chien's specialty?
- Chengan Chien is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Chengan Chien located?
- Chengan Chien's practice location on file with NPPES is 13620 Old Tree Way, Saratoga, CA 95070-5416.
- What is Chengan Chien's phone number?
- The practice phone number listed in the NPPES registry for Chengan Chien is (408) 506-3718.
- Is Chengan Chien's NPI active?
- Yes — Chengan Chien's NPI (1205578119) is active in the NPPES registry as of the last update on 2022-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.