Jennifer Nguyen, MD
NPI 1629505235 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Nguyen, MD is a Internal Medicine Physician provider in Portland, OR (NPI 1629505235).
Provider details
- NPI number
- 1629505235
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- PG182959 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
623 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 280 | $109 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 181 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 38 | $92 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 34 | $129 |
| Administration of Influenza Virus VaccineG0008 | 23 | $33 |
| Assessment of Emotional Or Behavioral Problems |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 356 | 114 |
| Levothyroxine Sodium | 294 | 91 |
| Lisinopril | 185 | 52 |
| Amlodipine Besylate | 169 | 54 |
| Losartan Potassium | 120 | 46 |
| Rosuvastatin Calcium | 117 | 46 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-12
- Last updated
- 2021-02-15
- Certified
- 2021-02-15
Frequently asked questions
- What is Jennifer Nguyen's NPI number?
- Jennifer Nguyen's National Provider Identifier (NPI) is 1629505235, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Nguyen's specialty?
- Jennifer Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Nguyen located?
- Jennifer Nguyen's practice location on file with NPPES is 9205 Sw Barnes Rd, Portland, OR 97225-6603.
- What is Jennifer Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Nguyen is (503) 216-2621.
- Does Jennifer Nguyen accept Medicare?
- Jennifer Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Nguyen's NPI active?
- Yes — Jennifer Nguyen's NPI (1629505235) is active in the NPPES registry as of the last update on 2021-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.