HOANG M NGUYEN DO INC
NPI 1144775198
Internal Medicine - Interventional Cardiology in San Jose, CA
About Hoang M Nguyen Do Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOANG M NGUYEN DO INC (NPI 1144775198) is a healthcare organization registered as an interventional cardiology in San Jose, California and active in the NPI registry since August 2016. The organization lists Hoang M Nguyen, Owner, 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)
Hoang M Nguyen Do 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 Hoang M Nguyen Do 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 Hoang M Nguyen Do Inc's NPI number?
The NPI number for Hoang M Nguyen Do Inc is 1144775198. It was assigned to this organization in the NPPES registry on August 19, 2016.
Where is Hoang M Nguyen Do Inc located?
Hoang M Nguyen Do Inc is located at 175 N Jackson Ave Ste 210, San Jose, CA 95116. The listed phone number is (408) 708-7053.
What is Hoang M Nguyen Do Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Hoang M Nguyen Do Inc enrolled in Medicare?
Yes. Hoang M Nguyen Do Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Hoang M Nguyen Do Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Hoang M Nguyen Do 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 Hoang M Nguyen Do Inc was last updated on August 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Hoang M Nguyen Do Inc · NPI 1144775198
Interventional Cardiology organization in San Jose, California. Organization record, active in the CMS NPPES registry since August 19, 2016.
## Identity
- **NPI:** 1144775198 (Entity type: Organization)
- **Enumerated:** August 19, 2016
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **Organization subpart:** No
- **Authorized official:** Hoang Nguyen, OWNER
## Practice location
- **Address:** 175 N JACKSON AVE, STE 210, San Jose, CA 95116-1909
- **Phone:** (408) 708-7053 · **Fax:** (408) 708-7189
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Cardiovascular Disease (Cardiology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 19, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1144775198) · Data from the CMS NPPES public registry.