SERENA MARGARET LIU MD
NPI 1386177707
Obstetrics & Gynecology in San Francisco, CA
About Serena Margaret Liu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SERENA MARGARET LIU MD (NPI 1386177707) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A171657) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Palo Alto, and is a graduate of Columbia University College Of Physicians And Surgeons (2017).
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
Serena Margaret Liu 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 Reassignments
2Medicare enrollment records show Serena Liu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94115 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.
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 Serena Liu's NPI number?
The NPI number for Serena Liu is 1386177707. It was assigned to this individual provider in the NPPES registry on April 4, 2017.
Where is Serena Liu located?
Serena Liu practices at 2356 Sutter St # 1688, San Francisco, CA 94115. The listed phone number is (415) 885-7788.
What is Serena Liu's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Serena Liu enrolled in Medicare?
Yes. Serena Liu 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 Serena Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Serena Liu reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Serena Liu'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 Serena Liu was last updated on October 31, 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.
# Serena Margaret Liu, MD · NPI 1386177707
Obstetrics & Gynecology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 4, 2017.
## Identity
- **NPI:** 1386177707 (Entity type: Individual)
- **Enumerated:** April 4, 2017
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A171657 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2356 SUTTER ST # 1688, San Francisco, CA 94115-3006
- **Phone:** (415) 885-7788
## 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): University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2017
## Record status
- **NPPES last updated:** October 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1386177707) · Data from the CMS NPPES public registry.