JAMES C LILLEY M.D.
NPI 1982642153
Orthopaedic Surgery in Pomona, CA
About James C Lilley M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES C LILLEY M.D. (NPI 1982642153) is an individual orthopaedic surgery provider in Pomona, California, licensed in California (G81163) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Rancho Cucamonga, and is a graduate of University Of Southern California Keck School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James C Lilley M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Lilley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pomona, CA 91767
- Reassigned Medicare billing, California enrollment
- 6 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 19
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91767 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.
Referred Medical Equipment & Supplies CMS DME claims
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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POMONA, CA 91767
POMONA, CA 91767
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 James Lilley's NPI number?
The NPI number for James Lilley is 1982642153. It was assigned to this individual provider in the NPPES registry on June 2, 2006.
Where is James Lilley located?
James Lilley practices at 255 E Bonita Ave Ste 101, Pomona, CA 91767. The listed phone number is (909) 593-7437.
What is James Lilley's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is James Lilley enrolled in Medicare?
Yes. James Lilley is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Lilley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Lilley reassigns Medicare benefits to Garey Orthopedic Medical Group (Pomona, 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 James Lilley'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 James Lilley was last updated on February 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.