DR. CHARLES W CHIA M.D.
NPI 1841229069
Dermatology in Thousand Oaks, CA
About Dr. Charles W Chia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES W CHIA M.D. (NPI 1841229069) is an individual dermatology provider in Thousand Oaks, California, licensed in California (A108491) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Warren Alpert Medical School Of Brown University (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Charles W Chia M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Charles Chia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woodland Hills, CA 91367
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THOUSAND OAKS, CA 91360
THOUSAND OAKS, CA 91360
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Charles Chia's NPI number?
The NPI number for Charles Chia is 1841229069. It was assigned to this individual provider in the NPPES registry on July 1, 2006.
Where is Charles Chia located?
Charles Chia practices at 145 Hodencamp Rd, Thousand Oaks, CA 91360. The listed phone number is (818) 719-4643.
What is Charles Chia's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Charles Chia enrolled in Medicare?
Yes. Charles Chia is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Charles Chia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Chia reassigns Medicare benefits to Southern California Permanente Medical Group (Woodland Hills, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Chia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Charles Chia was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Charles W Chia, M.D. · NPI 1841229069
Dermatology physician in Thousand Oaks, California. Individual provider, active in the CMS NPPES registry since July 1, 2006.
## Identity
- **NPI:** 1841229069 (Entity type: Individual)
- **Enumerated:** July 1, 2006
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** A108491 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 145 HODENCAMP RD, Thousand Oaks, CA 91360-5810
- **Phone:** (818) 719-4643
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1952333478, Woodland Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Warren Alpert Medical School Of Brown University, class of 2005
## Record status
- **NPPES last updated:** November 30, 2021
- **Other identifiers:** Medicaid 121774 (AZ); Other P00348654 (AZ)
---
Source: [NPI Profile](https://npiprofile.com/npi/1841229069) · Data from the CMS NPPES public registry.