DR. ROBERT LYONS M.D.
NPI 1609846146
Emergency Medicine in Sonora, CA
About Dr. Robert Lyons M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT LYONS M.D. (NPI 1609846146) is an individual emergency medicine provider in Sonora, California, licensed in California (G42340) and active in the NPI registry since January 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. Robert Lyons M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Robert Lyons reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 172 clinicians in this Medicare group
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 678 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 95370 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Robert Lyons's NPI number?
The NPI number for Robert Lyons is 1609846146. It was assigned to this individual provider in the NPPES registry on January 26, 2006.
Where is Robert Lyons located?
Robert Lyons practices at 1000 Greenley Rd., Sonora, CA 95370. The listed phone number is (209) 536-5000.
What is Robert Lyons's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Robert Lyons enrolled in Medicare?
Yes. Robert Lyons is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Lyons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Lyons reassigns Medicare benefits to 3 organizations: Sierra Emergency Medical Group Inc. (Sonora, CA), Sonora Community Hospital (Sonora, CA) and Adventist Health Physicians Network (Sonora, CA). 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 Robert Lyons'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 Robert Lyons was last updated on February 20, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.