Quick answers
- Which hospitals does Christine J. Chai work at?
- Medicare's official clinician data lists Christine J. Chai at 4 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Orange Coast Medical Center, Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christine J. Chai see patients?
- Medicare's clinician data lists 2 practice locations, including Newport Beach, CA. Call before your visit to confirm the address.
- What is Christine J. Chai's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Christine J. Chai accept Medicare assignment?
- Yes. Medicare's clinician data says Christine J. Chai 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 Christine J. Chai offer telehealth?
- Medicare's clinician data says Christine J. Chai offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Christine J. Chai?
- (949) 764-4624, as listed in official Medicare / NPI Registry data.
- What is Christine J. Chai's NPI number?
- 1528042397. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christine J. Chai works
Medicare's Facility Affiliation Data lists Christine J. Chai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · CCN 050678
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · CCN 050603
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · CCN 050567
Practice locations
Addresses where Christine J. Chai is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hoag DrNewport Beach, CA 92663 (949) 764‑4624
- 1441 Avocado Ave, Suite 309Newport Beach, CA 92660 (949) 631‑1433
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1528042397 |
| 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