LAWRENCE S BARNETT MD
NPI 1386631406
Orthopaedic Surgery in Orange, CA
About Lawrence S Barnett Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE S BARNETT MD (NPI 1386631406) is an individual orthopaedic surgery provider in Orange, California, licensed in California (G8833) and active in the NPI registry since October 2005. 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)
Lawrence S Barnett Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lawrence Barnett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 44 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 9
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 92868 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
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 Lawrence Barnett's NPI number?
The NPI number for Lawrence Barnett is 1386631406. It was assigned to this individual provider in the NPPES registry on October 4, 2005.
Where is Lawrence Barnett located?
Lawrence Barnett practices at 280 S Main St Ste 200, Orange, CA 92868. The listed phone number is (714) 634-4567.
What is Lawrence Barnett's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Lawrence Barnett enrolled in Medicare?
Yes. Lawrence Barnett is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lawrence Barnett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Barnett reassigns Medicare benefits to Orthopaedic Specialty Institute Medical Group Of Orange County (Orange, 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 Lawrence Barnett'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 Lawrence Barnett was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Lawrence S Barnett, MD · NPI 1386631406
Orthopaedic Surgery physician in Orange, California. Individual provider, active in the CMS NPPES registry since October 4, 2005.
## Identity
- **NPI:** 1386631406 (Entity type: Individual)
- **Enumerated:** October 4, 2005
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** G8833 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 280 S MAIN ST, STE 200, Orange, CA 92868-3852
- **Phone:** (714) 634-4567 · **Fax:** (714) 634-4569
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Orthopaedic Specialty Institute Medical Group Of Orange County (NPI 1336228832, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1386631406) · Data from the CMS NPPES public registry.