XIOMARA LIZZETTE VLAHOS M.D.
NPI 1124387220
Family Medicine in Los Angeles, CA
About Xiomara Lizzette Vlahos M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XIOMARA LIZZETTE VLAHOS M.D. (NPI 1124387220) is an individual family medicine provider in Los Angeles, California, licensed in California (A122458) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
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
Xiomara Lizzette Vlahos 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 Xiomara Vlahos reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pico Rivera, CA 90660
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 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 90022 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.
E. LOS ANGELES, CA 90022
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 Xiomara Vlahos's NPI number?
The NPI number for Xiomara Vlahos is 1124387220. It was assigned to this individual provider in the NPPES registry on May 9, 2012.
Where is Xiomara Vlahos located?
Xiomara Vlahos practices at 5427 Whittier Blvd, Los Angeles, CA 90022. The listed phone number is (323) 869-1900.
What is Xiomara Vlahos's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Xiomara Vlahos enrolled in Medicare?
Yes. Xiomara Vlahos 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 Xiomara Vlahos's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xiomara Vlahos reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Pico Rivera, CA) and Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Xiomara Vlahos'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 Xiomara Vlahos was last updated on December 6, 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.
# Xiomara Lizzette Vlahos, M.D. · NPI 1124387220
Family Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since May 9, 2012.
## Identity
- **NPI:** 1124387220 (Entity type: Individual)
- **Enumerated:** May 9, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A122458 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5427 WHITTIER BLVD, Los Angeles, CA 90022-4101
- **Phone:** (323) 869-1900 · **Fax:** (323) 869-5362
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1891287827, Pico Rivera, CA); Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** December 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1124387220) · Data from the CMS NPPES public registry.