WINSTON CANUTE VAUGHAN M.D.
NPI 1821182973
Specialist in Atherton, CA
About Winston Canute Vaughan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WINSTON CANUTE VAUGHAN M.D. (NPI 1821182973) is an individual specialist in Atherton, California, licensed in California (G77809) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Winston Canute Vaughan 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 Winston Vaughan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 347 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 8
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATHERTON, CA 94027
ATHERTON, CA 94027
ATHERTON, CA 94027
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 Winston Vaughan's NPI number?
The NPI number for Winston Vaughan is 1821182973. It was assigned to this individual provider in the NPPES registry on October 3, 2006.
Where is Winston Vaughan located?
Winston Vaughan practices at 3351 El Camino Real Ste 200, Atherton, CA 94027. The listed phone number is (650) 399-4630.
What is Winston Vaughan's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Winston Vaughan enrolled in Medicare?
Yes. Winston Vaughan 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 Winston Vaughan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Winston Vaughan reassigns Medicare benefits to Bass Medical Group (Castro Valley, 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 Winston Vaughan'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 Winston Vaughan was last updated on October 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Winston Canute Vaughan, M.D. · NPI 1821182973
Specialist provider in Atherton, California. Individual provider, active in the CMS NPPES registry since October 3, 2006.
## Identity
- **NPI:** 1821182973 (Entity type: Individual)
- **Enumerated:** October 3, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** G77809 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3351 EL CAMINO REAL, STE 200, Atherton, CA 94027-3811
- **Phone:** (650) 399-4630 · **Fax:** (650) 366-4930
## 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:** Bass Medical Group (NPI 1093181646, Castro Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** October 19, 2015
- **Other identifiers:** Medicare PIN 1821182973
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Source: [NPI Profile](https://npiprofile.com/npi/1821182973) · Data from the CMS NPPES public registry.