Quick answers
- Where does Charles W. Chia see patients?
- Medicare's clinician data lists 4 practice locations, including Thousand Oaks, CA, Camarillo, CA and Woodland Hills, CA. Call before your visit to confirm the address.
- What is Charles W. Chia's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Charles W. Chia accept Medicare assignment?
- Yes. Medicare's clinician data says Charles W. Chia 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 Charles W. Chia?
- (888) 515-3500, as listed in official Medicare / NPI Registry data.
- What is Charles W. Chia's NPI number?
- 1841229069. 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 Charles W. Chia is enrolled with Medicare (CMS data updated 2026-10-02).
- 145 Hodencamp RdThousand Oaks, CA 91360 (888) 515‑3500
- 2620 Las Posas RdCamarillo, CA 93010 (805) 383‑2100
- 5601 De Soto AveWoodland Hills, CA 91367 (818) 719‑2000
- 888 S Hill RdVentura, CA 93003 (805) 477‑6400
Group practices
Medicare enrollment lists Charles W. Chia as a member of this group (CMS data updated 2026-10-02).
- Southern California Permanente Medical Group11,293 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Thousand Oaks
Clinicians with the same Medicare primary specialty in Thousand Oaks, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Warren Alpert Medical School Of Brown University |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841229069 |
| 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