ROBERT J LIEBIG MD
NPI 1184608085
Radiology - Diagnostic Radiology in Pleasant Hill, CA
About Robert J Liebig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT J LIEBIG MD (NPI 1184608085) is an individual diagnostic radiology provider in Pleasant Hill, California, licensed in California (G52684) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (1981).
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)
Robert J Liebig Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Liebig 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
- 530 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 94523 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Liebig's NPI number?
The NPI number for Robert Liebig is 1184608085. It was assigned to this individual provider in the NPPES registry on December 5, 2005.
Where is Robert Liebig located?
Robert Liebig practices at 602 Gregory Ln, Pleasant Hill, CA 94523. The listed phone number is (925) 685-1047.
What is Robert Liebig's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Robert Liebig enrolled in Medicare?
Yes. Robert Liebig is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Liebig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Liebig reassigns Medicare benefits to Contra Costa County (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 Robert Liebig'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 Liebig was last updated on August 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.