Kaiwen Sun
NPI 1255891479 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kaiwen Sun is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1255891479).
Provider details
- NPI number
- 1255891479
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- 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
7 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 49 | 15 |
| Spironolactone | 45 | 15 |
| Metoprolol Tartrate | 42 | 12 |
| Atorvastatin Calcium | 35 | 13 |
| Furosemide | 27 | — |
| Amlodipine Besylate | 21 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-22
- Last updated
- 2025-02-10
- Certified
- 2025-02-10
Frequently asked questions
- What is Kaiwen Sun's NPI number?
- Kaiwen Sun's National Provider Identifier (NPI) is 1255891479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kaiwen Sun's specialty?
- Kaiwen Sun 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 Kaiwen Sun located?
- Kaiwen Sun's practice location on file with NPPES is 2425 Geary Blvd, San Francisco, CA 94115-3358.
- What is Kaiwen Sun's phone number?
- The practice phone number listed in the NPPES registry for Kaiwen Sun is (415) 212-3406.
- Does Kaiwen Sun accept Medicare?
- Kaiwen Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kaiwen Sun's NPI active?
- Yes — Kaiwen Sun's NPI (1255891479) is active in the NPPES registry as of the last update on 2025-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.