ANN REED BARNETT M.D.
NPI 1912224528
Emergency Medicine in Los Angeles, CA
About Ann Reed Barnett M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN REED BARNETT M.D. (NPI 1912224528) is an individual emergency medicine provider in Los Angeles, California, licensed in California (C170665) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Knoxville, and is a graduate of University Of Southern California Keck School Of Medicine (2010).
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 and accepts Medicare assignment
Ann Reed Barnett 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
4Medicare enrollment records show Ann Barnett reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Arcadia, CA 91007
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Van Nuys, CA 91405
- Reassigned Medicare billing, California enrollment
- 86 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Tennessee enrollment
- 1,071 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 4
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 90017 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.
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 Ann Barnett's NPI number?
The NPI number for Ann Barnett is 1912224528. It was assigned to this individual provider in the NPPES registry on April 23, 2010.
Where is Ann Barnett located?
Ann Barnett practices at 1225 Wilshire Blvd, Los Angeles, CA 90017. The listed phone number is (213) 977-2121.
What is Ann Barnett's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Ann Barnett enrolled in Medicare?
Yes. Ann Barnett 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 Ann Barnett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Barnett reassigns Medicare benefits to 4 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Michael S. Agron, M.D., Inc. (Arcadia, CA), Valley Presbyterian Emergency Medical Associates (Van Nuys, CA) and Southeastern Emergency Physicians LLC (Maysville, KY). 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 Ann 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 Ann Barnett was last updated on May 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ann Reed Barnett, M.D. · NPI 1912224528
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 23, 2010.
## Identity
- **NPI:** 1912224528 (Entity type: Individual)
- **Enumerated:** April 23, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** C170665 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1225 WILSHIRE BLVD, Los Angeles, CA 90017-1901
- **Phone:** (213) 977-2121
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Michael S. Agron, M.D., Inc. (NPI 1699716100, Arcadia, CA); Valley Presbyterian Emergency Medical Associates (NPI 1033133103, Van Nuys, CA); Southeastern Emergency Physicians LLC (NPI 1356379382, Maysville, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** May 18, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1912224528) · Data from the CMS NPPES public registry.