Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Lac Nguyen, MD

Individual provider Internal Medicine Physician · NPI 1558007161

Lac Nguyen, MD is an Internal Medicine in Portland, Oregon. Qualified in 2018, 8 years ago. Practices with Portland Adventist Medical Center, a 272-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
8
Licensed in
OR
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10201 SE Main St Ste 10B
Portland, OR 97216-2937
Phone: (503) 255-7550
Fax: (503) 255-0884
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD224865 (OR)

Record details

NPI number1558007161
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2022
Last updated in NPPESAugust 18, 2025
Certification dateAugust 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Portland Adventist Medical Center — 272 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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