DR. ANN M ZHOU D.O.
NPI 1487188462
Family Medicine in Tarzana, CA
About Dr. Ann M Zhou D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN M ZHOU D.O. (NPI 1487188462) is an individual family medicine provider in Tarzana, California, licensed in California (20A18129) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Fort Worth.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Dr. Ann M Zhou D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ann Zhou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Valencia, CA 91355
- Reassigned Medicare billing, California enrollment
- 684 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
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 91356 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ann Zhou's NPI number?
The NPI number for Ann Zhou is 1487188462. It was assigned to this individual provider in the NPPES registry on April 17, 2017.
Where is Ann Zhou located?
Ann Zhou practices at 18133 Ventura Blvd Ste 204, Tarzana, CA 91356. The listed phone number is (818) 466-7700.
What is Ann Zhou's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ann Zhou enrolled in Medicare?
Yes. Ann Zhou is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ann Zhou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Zhou reassigns Medicare benefits to Providence Facey Medical Foundation (Valencia, 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 Ann Zhou'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 Ann Zhou was last updated on March 7, 2022. 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.