SIEU P TRUONG M.D. INC
NPI 1366472367
Obstetrics & Gynecology in Encinitas, CA
About Sieu P Truong M.d. Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIEU P TRUONG M.D. INC (NPI 1366472367) is a healthcare organization registered as an obstetrics & gynecology in Encinitas, California and active in the NPI registry since July 2006. The organization lists Sieu P Truong, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sieu P Truong M.d. Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Sieu P Truong M.D. Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Sieu P Truong M.D. Inc's NPI number?
The NPI number for Sieu P Truong M.D. Inc is 1366472367. It was assigned to this organization in the NPPES registry on July 4, 2006.
Where is Sieu P Truong M.D. Inc located?
Sieu P Truong M.D. Inc is located at 477 N El Camino Real, Encinitas, CA 92024. The listed phone number is (760) 635-3777.
What is Sieu P Truong M.D. Inc's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sieu P Truong M.D. Inc enrolled in Medicare?
Yes. Sieu P Truong M.D. Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sieu P Truong M.D. Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Sieu P Truong M.D. Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Sieu P Truong M.D. Inc was last updated on May 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Sieu P Truong M.d. Inc · NPI 1366472367
Obstetrics & Gynecology organization in Encinitas, California. Organization record, active in the CMS NPPES registry since July 4, 2006.
## Identity
- **NPI:** 1366472367 (Entity type: Organization)
- **Enumerated:** July 4, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** No
- **Authorized official:** Sieu Truong, CEO
## Practice location
- **Address:** 477 N EL CAMINO REAL, Encinitas, CA 92024
- **Phone:** (760) 635-3777
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Obstetrics/Gynecology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 25, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1366472367) · Data from the CMS NPPES public registry.