KHOI DUC NGUYEN MD, DO
NPI 1003141102
Family Medicine in Arcata, CA
About Khoi Duc Nguyen Md, Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KHOI DUC NGUYEN MD, DO (NPI 1003141102) is an individual family medicine provider in Arcata, California, licensed in California (20A 11589) and active in the NPI registry since October 2009. He is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2007).
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)
Khoi Duc Nguyen Md, Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Khoi Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 314 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
ARCATA, CA 95521
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 Khoi Nguyen's NPI number?
The NPI number for Khoi Nguyen is 1003141102. It was assigned to this individual provider in the NPPES registry on October 7, 2009.
Where is Khoi Nguyen located?
Khoi Nguyen practices at 3800 Janes Rd, Arcata, CA 95521. The listed phone number is (408) 489-4832.
What is Khoi Nguyen's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Khoi Nguyen enrolled in Medicare?
Yes. Khoi Nguyen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Khoi Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Khoi Nguyen reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Palo Alto, CA) and El Camino Health Medical Network, LLC (San Jose, CA). Each 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 Khoi 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 Khoi Nguyen was last updated on February 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Khoi Duc Nguyen, MD, DO · NPI 1003141102
Family Medicine physician in Arcata, California. Individual provider, active in the CMS NPPES registry since October 7, 2009.
## Identity
- **NPI:** 1003141102 (Entity type: Individual)
- **Enumerated:** October 7, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A 11589 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3800 JANES RD, Arcata, CA 95521-4742
- **Phone:** (408) 489-4832
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Santa Clara (NPI 1285228080, Palo Alto, CA); El Camino Health Medical Network, LLC (NPI 1164880761, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2007
## Record status
- **NPPES last updated:** February 14, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1003141102) · Data from the CMS NPPES public registry.