DR. BRETT MICHAEL WERTMAN M.D.
NPI 1043349772
Internal Medicine - Cardiovascular Disease in Mission Viejo, CA
About Dr. Brett Michael Wertman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BRETT MICHAEL WERTMAN M.D. (NPI 1043349772) is an individual cardiovascular disease provider in Mission Viejo, California, licensed in California (A90231) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2003).
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 and accepts Medicare assignment
Dr. Brett Michael Wertman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Brett Wertman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ladera Ranch, CA 92694
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Santa Rosa, CA 95404
- Reassigned Medicare billing, California enrollment
- 68 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 26
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 92691 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.
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.
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
MISSION VIEJO, CA 92691
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 Brett Wertman's NPI number?
The NPI number for Brett Wertman is 1043349772. It was assigned to this individual provider in the NPPES registry on March 6, 2007.
Where is Brett Wertman located?
Brett Wertman practices at 27800 Medical Center Rd Suite 222, Mission Viejo, CA 92691. The listed phone number is (949) 276-2446.
What is Brett Wertman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Brett Wertman enrolled in Medicare?
Yes. Brett Wertman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Brett Wertman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett Wertman reassigns Medicare benefits to 2 organizations: Ccoc, Inc. (Ladera Ranch, CA) and Aretaeus Telemedicine Inc. (Santa Rosa, 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 Brett Wertman'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 Brett Wertman was last updated on May 17, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.