Quick answers
- Which hospitals does Helen H. Sun work at?
- Medicare's official clinician data lists Helen H. Sun at 3 hospitals: AHMC Seton Medical Center, Peninsula Medical Center and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Helen H. Sun see patients?
- Medicare's clinician data lists 1 practice location in Daly City, CA. Call before your visit to confirm the address.
- What is Helen H. Sun's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Helen H. Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Helen H. Sun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Helen H. Sun?
- (415) 391-9686, as listed in official Medicare / NPI Registry data.
- What is Helen H. Sun's NPI number?
- 1952966442. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Helen H. Sun works
Medicare's Facility Affiliation Data lists Helen H. Sun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Seton Medical CenterDaly City, CA · Acute Care Hospital · CCN 050289
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · CCN 050007
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Helen H. Sun is enrolled with Medicare (CMS data updated 2026-10-02).
- 211 Eastmoor AveDaly City, CA 94015 (415) 391‑9686
Group practices
Medicare enrollment lists Helen H. Sun as a member of this group (CMS data updated 2026-10-02).
- North East Medical Services143 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Daly City
Clinicians with the same Medicare primary specialty in Daly City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952966442 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians