DAVID IRVIN DUFOUR D.C.
NPI 1659637999
Chiropractor in San Leandro, CA
About David Irvin Dufour D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID IRVIN DUFOUR D.C. (NPI 1659637999) is an individual chiropractor in San Leandro, California, licensed in California (32251) and active in the NPI registry since April 2012. He is a graduate of Life Chiropractic College - West (2011).
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 and accepts Medicare assignment
David Irvin Dufour D.c. 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 David Dufour reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 127 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.
Other Providers at the Same Location NPPES 2
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 David Dufour's NPI number?
The NPI number for David Dufour is 1659637999. It was assigned to this individual provider in the NPPES registry on April 10, 2012.
Where is David Dufour located?
David Dufour practices at 585 Dowling Blvd, San Leandro, CA 94577. The listed phone number is (510) 346-0711.
What is David Dufour's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is David Dufour enrolled in Medicare?
Yes. David Dufour 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 David Dufour's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Dufour reassigns Medicare benefits to Bay Area Community Health (Fremont, 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 David Dufour'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 David Dufour was last updated on April 10, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.