JULIA BERYL WILLNER MD
NPI 1891974655
Obstetrics & Gynecology in Orange, CA
About Julia Beryl Willner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIA BERYL WILLNER MD (NPI 1891974655) is an individual obstetrics & gynecology provider in Orange, California, licensed in California (A96859) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2004).
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 and accepts Medicare assignment
Julia Beryl Willner 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 Julia Willner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 840 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
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 Julia Willner's NPI number?
The NPI number for Julia Willner is 1891974655. It was assigned to this individual provider in the NPPES registry on October 29, 2007.
Where is Julia Willner located?
Julia Willner practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-6707.
What is Julia Willner's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Julia Willner enrolled in Medicare?
Yes. Julia Willner 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 Julia Willner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julia Willner reassigns Medicare benefits to Pih Health Physicians (Orange, 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 Julia Willner'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 Julia Willner was last updated on October 29, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Julia Beryl Willner, MD · NPI 1891974655
Obstetrics & Gynecology physician in Orange, California. Individual provider, active in the CMS NPPES registry since October 29, 2007.
## Identity
- **NPI:** 1891974655 (Entity type: Individual)
- **Enumerated:** October 29, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A96859 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-6707
## 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:** Pih Health Physicians (NPI 1083313589, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** October 29, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1891974655) · Data from the CMS NPPES public registry.