DR. CHARLES ALAN POTTER MD
NPI 1982789418
Family Medicine in Sunnyvale, CA
About Dr. Charles Alan Potter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES ALAN POTTER MD (NPI 1982789418) is an individual family medicine provider in Sunnyvale, California, licensed in California (G56558) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 Alan Potter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Charles Potter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 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 94085 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Potter's NPI number?
The NPI number for Charles Potter is 1982789418. It was assigned to this individual provider in the NPPES registry on October 25, 2006.
Where is Charles Potter located?
Charles Potter practices at 1195 E Arques Ave Suite 1, Sunnyvale, CA 94085. The listed phone number is (408) 773-9000.
What is Charles Potter's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Charles Potter enrolled in Medicare?
Yes. Charles Potter is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Charles Potter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Potter reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, 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 Potter'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 Potter was last updated on December 16, 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.