DR. CHARLES R WILLIAMS M.D.
NPI 1760526743
Anesthesiology in Los Angeles, CA
About Dr. Charles R Williams M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES R WILLIAMS M.D. (NPI 1760526743) is an individual anesthesiology provider in Los Angeles, California, licensed in California (G51191) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Charles R Williams M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
10Medicare enrollment records show Charles Williams reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Los Angeles, CA 90007
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Beverly Hills, CA 90210
- Reassigned Medicare billing, California enrollment
- 57 clinicians in this Medicare group
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- 488 clinicians in this Medicare group
Visalia, CA 93291
- Reassigned Medicare billing, California enrollment
- 131 clinicians in this Medicare group
King City, CA 93930
- Reassigned Medicare billing, California enrollment
- 156 clinicians in this Medicare group
Stockton, CA 95207
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Stockton, CA 95207
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
San Ramon, CA 94583
- Reassigned Medicare billing, California enrollment
- 27 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 420 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.
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 Williams's NPI number?
The NPI number for Charles Williams is 1760526743. It was assigned to this individual provider in the NPPES registry on February 16, 2007.
Where is Charles Williams located?
Charles Williams practices at 6709 La Tijera Blvd Ste 1237, Los Angeles, CA 90045. The listed phone number is (480) 262-4415.
What is Charles Williams's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Charles Williams enrolled in Medicare?
Yes. Charles Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Charles Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Williams reassigns Medicare benefits to 10 organizations: Tip Top Anesthesia Group Inc (Beverly Hills, CA), Primary Care Health Clinic (Los Angeles, CA), Precision Anesthesia Group Inc (Beverly Hills, CA), First Choice Physician Partners (Los Alamitos, CA), Oak Creek Anesthesia Services, Inc. (Visalia, CA) and 5 more organizations, listed in the Medicare section above. Each 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 Williams'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 Williams was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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 R Williams, M.D. · NPI 1760526743
Anesthesiology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since February 16, 2007.
## Identity
- **NPI:** 1760526743 (Entity type: Individual)
- **Enumerated:** February 16, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G51191 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6709 LA TIJERA BLVD STE 1237, Los Angeles, CA 90045-2017
- **Phone:** (480) 262-4415
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Tip Top Anesthesia Group Inc (NPI 1508283698, Beverly Hills, CA); Primary Care Health Clinic (NPI 1891134268, Los Angeles, CA); Precision Anesthesia Group Inc (NPI 1205253929, Beverly Hills, CA); First Choice Physician Partners (NPI 1427479203, Los Alamitos, CA); Oak Creek Anesthesia Services, Inc. (NPI 1619589512, Visalia, CA); and 5 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 3, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1760526743) · Data from the CMS NPPES public registry.