HELEN H ZHOU
NPI 1477973139
Pediatrics in Orange, CA
About Helen H Zhou NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN H ZHOU (NPI 1477973139) is an individual pediatrics provider in Orange, California, licensed in California (A141112) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.
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 (PECOS)
Helen H Zhou is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Helen Zhou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 323 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 92868 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
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 Helen Zhou's NPI number?
The NPI number for Helen Zhou is 1477973139. It was assigned to this individual provider in the NPPES registry on April 22, 2014.
Where is Helen Zhou located?
Helen Zhou practices at 505 S Main St Suite 525, Orange, CA 92868. The listed phone number is (714) 456-5631.
What is Helen Zhou's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Helen Zhou enrolled in Medicare?
Yes. Helen Zhou is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Helen Zhou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Zhou reassigns Medicare benefits to Uc Regents (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 Helen 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 Helen Zhou was last updated on August 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Helen H Zhou · NPI 1477973139
Pediatrics physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 22, 2014.
## Identity
- **NPI:** 1477973139 (Entity type: Individual)
- **Enumerated:** April 22, 2014
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A141112 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 S MAIN ST, SUITE 525, Orange, CA 92868-4509
- **Phone:** (714) 456-5631 · **Fax:** (714) 285-0389
## 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:** Uc Regents (NPI 1982667663, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1477973139) · Data from the CMS NPPES public registry.