DR. HIEN MINH NGUYEN M.D.
NPI 1659441699
Internal Medicine - Infectious Disease in Clackamas, OR
About Dr. Hien Minh Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HIEN MINH NGUYEN M.D. (NPI 1659441699) is an individual infectious disease provider in Clackamas, Oregon, licensed in Oregon (MD25722) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Kaiser Sunnyside Medical Center, and is a graduate of Oregon Health Sciences University School Of Medicine (2001).
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 and accepts Medicare assignment
Dr. Hien Minh Nguyen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Hien Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clackamas, OR 97015
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1871848457 (Washington)
- 3,207 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaiser Sunnyside Medical Center
Acute Care Hospitals · Clackamas, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97015 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.
CLACKAMAS, OR 97015
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 Hien Nguyen's NPI number?
The NPI number for Hien Nguyen is 1659441699. It was assigned to this individual provider in the NPPES registry on November 8, 2006.
Where is Hien Nguyen located?
Hien Nguyen practices at 9900 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (503) 571-9130.
What is Hien Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Hien Nguyen enrolled in Medicare?
Yes. Hien Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Hien Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hien Nguyen reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Clackamas, OR). 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 Hien Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hien Nguyen affiliated with any hospitals?
According to CMS data, Hien Nguyen is affiliated with Kaiser Sunnyside Medical Center.
When was this NPI record last updated?
The NPPES record for Hien Nguyen was last updated on February 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Hien Minh Nguyen, M.D. · NPI 1659441699
Infectious Disease physician in Clackamas, Oregon. Individual provider, active in the CMS NPPES registry since November 8, 2006.
## Identity
- **NPI:** 1659441699 (Entity type: Individual)
- **Enumerated:** November 8, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD25722 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 9900 SE SUNNYSIDE RD, Clackamas, OR 97015-9777
- **Phone:** (503) 571-9130
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Northwest (NPI 1174851505, Clackamas, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** February 17, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1659441699) · Data from the CMS NPPES public registry.