AMAYA CONSTANCE ALONSO HALLIFAX
NPI 1306557616
Occupational Therapist in Fremont, CA
About Amaya Constance Alonso Hallifax NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMAYA CONSTANCE ALONSO HALLIFAX (NPI 1306557616) is an individual occupational therapist in Fremont, California, licensed in California (22567) and active in the NPI registry since December 2022.
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)
Amaya Constance Alonso Hallifax is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amaya Alonso Hallifax reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FREMONT, CA 94538
FREMONT, CA 94538
FREMONT, CA 94538
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 Amaya Alonso Hallifax's NPI number?
The NPI number for Amaya Alonso Hallifax is 1306557616. It was assigned to this individual provider in the NPPES registry on December 7, 2022.
Where is Amaya Alonso Hallifax located?
Amaya Alonso Hallifax practices at 39180 Farwell Dr Ste 211, Fremont, CA 94538. The listed phone number is (510) 892-4855.
What is Amaya Alonso Hallifax's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Amaya Alonso Hallifax enrolled in Medicare?
Yes. Amaya Alonso Hallifax is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amaya Alonso Hallifax's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amaya Alonso Hallifax reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 Amaya Alonso Hallifax'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 Amaya Alonso Hallifax was last updated on May 11, 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.