XIAOYUE MONA GUO MD
NPI 1477915601
Obstetrics & Gynecology - Gynecologic Oncology in Los Angeles, CA
About Xiaoyue Mona Guo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XIAOYUE MONA GUO MD (NPI 1477915601) is an individual gynecologic oncology provider in Los Angeles, California, licensed in California (A167916) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Xiaoyue Mona Guo Md 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 Reassignment
Medicare enrollment records show Xiaoyue Guo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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 2
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 90033 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Xiaoyue Guo's NPI number?
The NPI number for Xiaoyue Guo is 1477915601. It was assigned to this individual provider in the NPPES registry on March 26, 2016.
Where is Xiaoyue Guo located?
Xiaoyue Guo practices at 1516 San Pablo St Fl 3, Los Angeles, CA 90033. The listed phone number is (323) 276-3705.
What is Xiaoyue Guo's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.
Is Xiaoyue Guo enrolled in Medicare?
Yes. Xiaoyue Guo 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 organization bills Medicare for Xiaoyue Guo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xiaoyue Guo reassigns Medicare benefits to Usc Care Medical Group, Inc (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 Xiaoyue Guo'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 Xiaoyue Guo was last updated on November 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Xiaoyue Mona Guo, MD · NPI 1477915601
Gynecologic Oncology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since March 26, 2016.
## Identity
- **NPI:** 1477915601 (Entity type: Individual)
- **Enumerated:** March 26, 2016
- **Primary specialty:** Obstetrics & Gynecology - Gynecologic Oncology · taxonomy 207VX0201X
- **State license:** A167916 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1516 SAN PABLO ST FL 3, Los Angeles, CA 90033-5313
- **Phone:** (323) 276-3705 · **Fax:** (323) 865-0062
## 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:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** November 16, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1477915601) · Data from the CMS NPPES public registry.