Quick answers
- Which hospitals does Hellen Chiao work at?
- Medicare's official clinician data lists Hellen Chiao at 1 hospital: Tri-City Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hellen Chiao see patients?
- Medicare's clinician data lists 1 practice location in Oceanside, CA. Call before your visit to confirm the address.
- What is Hellen Chiao's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Hellen Chiao accept Medicare assignment?
- Yes. Medicare's clinician data says Hellen Chiao 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.
- Does Hellen Chiao offer telehealth?
- Medicare's clinician data says Hellen Chiao offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Hellen Chiao?
- (760) 630-0529, as listed in official Medicare / NPI Registry data.
- What is Hellen Chiao's NPI number?
- 1154681435. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hellen Chiao works
Medicare's Facility Affiliation Data lists Hellen Chiao at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Tri-City Medical CenterOceanside, CA · Acute Care Hospital · CCN 050128
Practice locations
Addresses where Hellen Chiao is enrolled with Medicare (CMS data updated 2026-10-02).
- 3923 Waring Rd, Suite AOceanside, CA 92056 (760) 630‑0529
Group practices
Medicare enrollment lists Hellen Chiao as a member of this group (CMS data updated 2026-10-02).
- North County Gastroenterology Medical Group Inc11 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1154681435 |
| 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