Quick answers
- Does Hoang Q. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Hoang Q. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Hoang Q. Nguyen see?
- In 2024, CMS data shows 344 Original Medicare patients and 1,833 services for Hoang Q. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Hoang Q. Nguyen's NPI number?
- 1013979533. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Hoang Q. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 344 |
|---|---|
| Services billed to Medicare | 1,833 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 67 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)388 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)380 services
- Insertion of needle into vein for collection of blood sample (36415)304 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)103 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)90 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure49%
- High cholesterol48%
- Arthritis26%
- Diabetes25%
- Anxiety18%
- Depression14%
Practice locations
Addresses where Hoang Q. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 8122 SE Tibbetts StPortland, OR 97206 (503) 777‑5995
Group practices
Medicare enrollment lists Hoang Q. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Columbia Medical Clinic PC6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Columbia Medical Clinic PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013979533 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians