ABIGAIL TZAU DO
NPI 1487338232
Family Medicine in Los Angeles, CA
About Abigail Tzau Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ABIGAIL TZAU DO (NPI 1487338232) is an individual family medicine provider in Los Angeles, California, licensed in California (20A25668) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Dearborn, and is a graduate of Other (2023).
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)
Abigail Tzau Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Abigail Tzau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90007
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: St. John's Community Health
- 404 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital - Dearborn
Acute Care Hospitals · Dearborn, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Abigail Tzau's NPI number?
The NPI number for Abigail Tzau is 1487338232. It was assigned to this individual provider in the NPPES registry on June 12, 2023.
Where is Abigail Tzau located?
Abigail Tzau practices at 1910 Magnolia Ave Ste 101, Los Angeles, CA 90007. The listed phone number is (323) 541-1411.
What is Abigail Tzau's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Abigail Tzau enrolled in Medicare?
Yes. Abigail Tzau is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Abigail Tzau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Tzau reassigns Medicare benefits to St. Johns Community Health (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 Abigail Tzau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Abigail Tzau affiliated with any hospitals?
According to CMS data, Abigail Tzau is affiliated with Beaumont Hospital - Dearborn.
When was this NPI record last updated?
The NPPES record for Abigail Tzau was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Abigail Tzau, DO · NPI 1487338232
Family Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 12, 2023.
## Identity
- **NPI:** 1487338232 (Entity type: Individual)
- **Enumerated:** June 12, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A25668 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1910 MAGNOLIA AVE STE 101, Los Angeles, CA 90007-1220
- **Phone:** (323) 541-1411
## 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:** St. Johns Community Health (NPI 1073653630, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** August 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1487338232) · Data from the CMS NPPES public registry.