Quick answers
- Which hospitals does Chiwai E. Chan work at?
- Medicare's official clinician data lists Chiwai E. Chan at 2 hospitals: Memorialcare Orange Coast Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Chiwai E. Chan see patients?
- Medicare's clinician data lists 1 practice location in Fountain Valley, CA. Call before your visit to confirm the address.
- What is Chiwai E. Chan's specialty?
- Medicare lists Interventional Pain Management as the primary specialty.
- Does Chiwai E. Chan accept Medicare assignment?
- Medicare's clinician data says Chiwai E. Chan may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Chiwai E. Chan offer telehealth?
- Medicare's clinician data says Chiwai E. Chan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Chiwai E. Chan?
- (714) 424-9300, as listed in official Medicare / NPI Registry data.
- What is Chiwai E. Chan's NPI number?
- 1629051529. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Chiwai E. Chan works
Medicare's Facility Affiliation Data lists Chiwai E. Chan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · CCN 050678
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Chiwai E. Chan is enrolled with Medicare (CMS data updated 2026-10-02).
- 11160 Warner Ave, Suite 417Fountain Valley, CA 92708 (714) 424‑9300
Specialties
Find other Interventional Pain Management doctors in California →
Other interventional pain specialists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | College Of Osteo Med Of The Pacific At Pomona |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1629051529 |
| 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