JOANN NGUYEN, M.D., INC
NPI 1932566494
Family Medicine in San Jose, CA
About Joann Nguyen, M.d., Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANN NGUYEN, M.D., INC (NPI 1932566494) is a healthcare organization registered as a family medicine in San Jose, California and active in the NPI registry since January 2016. The organization maintains a secondary practice location in San Jose and lists Joann Nguyen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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)
Joann Nguyen, 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 Joann Nguyen, 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 Joann Nguyen, M.D., Inc's NPI number?
The NPI number for Joann Nguyen, M.D., Inc is 1932566494. It was assigned to this organization in the NPPES registry on January 28, 2016.
Where is Joann Nguyen, M.D., Inc located?
Joann Nguyen, M.D., Inc is located at 1255 E Santa Clara St, San Jose, CA 95116. The listed phone number is (408) 294-2868.
What is Joann Nguyen, M.D., Inc's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Joann Nguyen, M.D., Inc enrolled in Medicare?
Yes. Joann Nguyen, M.D., Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Joann Nguyen, M.D., Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Joann Nguyen, 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 Joann Nguyen, M.D., Inc was last updated on October 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.