PAUL QUOC-HUNG NGUYEN DO
NPI 1659073112
Family Medicine in Santa Rosa, CA
About Paul Quoc-hung Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PAUL QUOC-HUNG NGUYEN DO (NPI 1659073112) is an individual family medicine provider in Santa Rosa, California, licensed in California (23341) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2023).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Paul Quoc-hung Nguyen Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Paul Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Rosa, CA 95403
- Reassigned Medicare billing, California enrollment
- 215 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 95403 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.
SANTA ROSA, CA 95403
SANTA ROSA, CA 95403
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 Paul Nguyen's NPI number?
The NPI number for Paul Nguyen is 1659073112. It was assigned to this individual provider in the NPPES registry on March 20, 2023.
Where is Paul Nguyen located?
Paul Nguyen practices at 3569 Round Barn Cir Ste 200, Santa Rosa, CA 95403. The listed phone number is (707) 583-8800.
What is Paul Nguyen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Paul Nguyen enrolled in Medicare?
Yes. Paul Nguyen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Paul Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Nguyen reassigns Medicare benefits to Santa Rosa Community Health Centers (Santa Rosa, 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 Paul 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 Paul Nguyen was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Paul Quoc-Hung Nguyen, DO · NPI 1659073112
Family Medicine physician in Santa Rosa, California. Individual provider, active in the CMS NPPES registry since March 20, 2023.
## Identity
- **NPI:** 1659073112 (Entity type: Individual)
- **Enumerated:** March 20, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 23341 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3569 ROUND BARN CIR STE 200, Santa Rosa, CA 95403-5784
- **Phone:** (707) 583-8800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Santa Rosa Community Health Centers (NPI 1578631172, Santa Rosa, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un College Of Osteopathic Medicine, Vallejo, class of 2023
## Record status
- **NPPES last updated:** May 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1659073112) · Data from the CMS NPPES public registry.