ARIEL STERN
NPI 1538874565
Physical Therapist - Orthopedic in Cupertino, CA
About Ariel Stern NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIEL STERN (NPI 1538874565) is an individual orthopedic provider in Cupertino, California, licensed in California (303502) and active in the NPI registry since January 2023. She is a graduate of Other (2019).
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)
Ariel Stern is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ariel Stern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 21 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 6
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.
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.
CUPERTINO, CA 95014
CUPERTINO, CA 95014
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 Ariel Stern's NPI number?
The NPI number for Ariel Stern is 1538874565. It was assigned to this individual provider in the NPPES registry on January 13, 2023.
Where is Ariel Stern located?
Ariel Stern practices at 20823 Stevens Creek Blvd Ste 200, Cupertino, CA 95014. The listed phone number is (408) 252-6076.
What is Ariel Stern's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.
Is Ariel Stern enrolled in Medicare?
Yes. Ariel Stern is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ariel Stern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariel Stern reassigns Medicare benefits to Prendergast And Rummer Phys Therapy Pelvic Health & Rehabiliation Ctr (San Francisco, 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 Ariel Stern'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 Ariel Stern was last updated on January 13, 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.