DR. DESIREE HSIOU DDS
NPI 1699255281
Dentist - Orthodontics and Dentofacial Orthopedics in El Cajon, CA
About Dr. Desiree Hsiou Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DESIREE HSIOU DDS (NPI 1699255281) is an individual orthodontics and dentofacial orthopedics provider in El Cajon, California, licensed in California (DDS103960) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and is a graduate of Harvard School Of Dental Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Dr. Desiree Hsiou Dds 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 Desiree Hsiou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
El Cajon, CA 92020
- Reassigned Medicare billing, California enrollment
- 577 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 92020 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
EL CAJON, CA 92020
EL CAJON, CA 92020
EL CAJON, CA 92020
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 Desiree Hsiou's NPI number?
The NPI number for Desiree Hsiou is 1699255281. It was assigned to this individual provider in the NPPES registry on August 14, 2018.
Where is Desiree Hsiou located?
Desiree Hsiou practices at 875 El Cajon Blvd, El Cajon, CA 92020. The listed phone number is (619) 662-4100.
What is Desiree Hsiou's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Orthodontics and Dentofacial Orthopedics, with taxonomy code 1223X0400X.
Is Desiree Hsiou enrolled in Medicare?
Yes. Desiree Hsiou 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 Desiree Hsiou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Desiree Hsiou reassigns Medicare benefits to Centro De Salud De La Comunidad De San Ysidro, Inc. (El Cajon, 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 Desiree Hsiou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Desiree Hsiou accept?
Health plans from Anthem Blue Cross and Blue Shield, BEST Life, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 5 other insurers list Desiree Hsiou as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Desiree Hsiou was last updated on March 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.