PAULINE NGUYEN OTR/L
NPI 1649750696
Occupational Therapist in Fremont, CA
About Pauline Nguyen Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAULINE NGUYEN OTR/L (NPI 1649750696) is an individual occupational therapist in Fremont, California, licensed in California (OT17528) and active in the NPI registry since August 2018. She maintains 2 additional practice locations and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Pauline Nguyen Otr/l 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 Reassignments
2Medicare enrollment records show Pauline Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pleasanton, CA 94588
- Reassigned Medicare billing, California enrollment
- 26 clinicians in this Medicare group
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 4
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.
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 Pauline Nguyen's NPI number?
The NPI number for Pauline Nguyen is 1649750696. It was assigned to this individual provider in the NPPES registry on August 20, 2018.
Where is Pauline Nguyen located?
Pauline Nguyen practices at 39650 Liberty St, Fremont, CA 94538. The listed phone number is (510) 498-3900.
What is Pauline Nguyen's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Pauline Nguyen enrolled in Medicare?
Yes. Pauline Nguyen 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 organizations bill Medicare for Pauline Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pauline Nguyen reassigns Medicare benefits to 2 organizations: Tri-Valley Orthopedic And Sports Medical Group Inc (Pleasanton, CA) and Sutter Bay Medical Foundation (Palo Alto, CA). Each 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 Pauline Nguyen'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 Pauline Nguyen was last updated on January 21, 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.