Quick answers
- Where does Joannie D. Sun see patients?
- Medicare's clinician data lists 1 practice location in Newport Beach, CA. Call before your visit to confirm the address.
- What is Joannie D. Sun's specialty?
- Medicare lists Dermatology as the primary specialty, and also Internal Medicine.
- Does Joannie D. Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Joannie D. 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.
- Does Joannie D. Sun offer telehealth?
- Medicare's clinician data says Joannie D. Sun offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Joannie D. Sun?
- (949) 706-7766, as listed in official Medicare / NPI Registry data.
- What is Joannie D. Sun's NPI number?
- 1881780229. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Joannie D. Sun is enrolled with Medicare (CMS data updated 2026-10-02).
- 230 Newport Ctr Dr, Suite 200Newport Beach, CA 92660 (949) 706‑7766
Group practices
Medicare enrollment lists Joannie D. Sun as a member of this group (CMS data updated 2026-10-02).
- Dermatology Associates of Orange County Inc2 clinicians in the group
Specialties
- Dermatologyprimary
- Internal Medicinealso
Other dermatologists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1881780229 |
| 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
- 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