DR. ADRIANNA Y BARRETT M.D.
NPI 1194950477
Obstetrics & Gynecology in Los Angeles, CA
About Dr. Adrianna Y Barrett M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADRIANNA Y BARRETT M.D. (NPI 1194950477) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A103417) and active in the NPI registry since May 2009. She 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)
Dr. Adrianna Y Barrett M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Adrianna Barrett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- 5,228 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 90027 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 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Adrianna Barrett's NPI number?
The NPI number for Adrianna Barrett is 1194950477. It was assigned to this individual provider in the NPPES registry on May 15, 2009.
Where is Adrianna Barrett located?
Adrianna Barrett practices at 4900 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 783-4011.
What is Adrianna Barrett's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Adrianna Barrett enrolled in Medicare?
Yes. Adrianna Barrett is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Adrianna Barrett's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adrianna Barrett reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, 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 Adrianna Barrett'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 Adrianna Barrett was last updated on November 4, 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.
# Dr. Adrianna Y Barrett, M.D. · NPI 1194950477
Obstetrics & Gynecology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 15, 2009.
## Identity
- **NPI:** 1194950477 (Entity type: Individual)
- **Enumerated:** May 15, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A103417 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4900 W SUNSET BLVD, Los Angeles, CA 90027-5814
- **Phone:** (323) 783-4011
## 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 1396287082, Chino Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1194950477) · Data from the CMS NPPES public registry.