STEVEN MCLAREN DO
NPI 1265503205
Pathology - Anatomic Pathology & Clinical Pathology in Los Angeles, CA
About Steven Mclaren Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN MCLAREN DO (NPI 1265503205) is an individual anatomic pathology & clinical pathology provider in Los Angeles, California, licensed in California (20A6312) and active in the NPI registry since November 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)
Steven Mclaren Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Steven Mclaren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 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 90034 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
LOS ANGELES, CA 90034
LOS ANGELES, CA 90034
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 Steven Mclaren's NPI number?
The NPI number for Steven Mclaren is 1265503205. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Steven Mclaren located?
Steven Mclaren practices at 6041 Cadillac Ave, Los Angeles, CA 90034. The listed phone number is (323) 857-2000.
What is Steven Mclaren's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Steven Mclaren enrolled in Medicare?
Yes. Steven Mclaren is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Steven Mclaren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Mclaren reassigns Medicare benefits to Southern California Permanente Medical Group (Los Angeles, 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 Steven Mclaren'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 Steven Mclaren was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Steven Mclaren, DO · NPI 1265503205
Anatomic Pathology & Clinical Pathology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1265503205 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 20A6312 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 6041 CADILLAC AVE, Los Angeles, CA 90034-1702
- **Phone:** (323) 857-2000
## 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:** Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1265503205) · Data from the CMS NPPES public registry.