JEFFREY M. SIINO D.C.
NPI 1689786576
Chiropractor in Concord, CA
About Jeffrey M. Siino D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY M. SIINO D.C. (NPI 1689786576) is an individual chiropractor in Concord, California, licensed in California (19282) and active in the NPI registry since August 2006. He is a graduate of Palmer College Chiropractic - West Sunnyvale (1987).
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)
Jeffrey M. Siino D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jeffrey Siino reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, CA 94520
- Reassigned Medicare billing, California enrollment
- 5 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 Jeffrey Siino's NPI number?
The NPI number for Jeffrey Siino is 1689786576. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Jeffrey Siino located?
Jeffrey Siino practices at 1170 Concord Ave Suite 100, Concord, CA 94520. The listed phone number is (925) 681-0801.
What is Jeffrey Siino's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Jeffrey Siino enrolled in Medicare?
Yes. Jeffrey Siino is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jeffrey Siino's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Siino reassigns Medicare benefits to Curtis M. Martin Chiropractic, Inc (Concord, 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 Jeffrey Siino'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 Jeffrey Siino was last updated on February 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.