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

Dr. Jefferson Tiu Loa, MD

Individual provider Internal Medicine Physician · NPI 1336304773

Dr. Jefferson Tiu Loa, MD is an Internal Medicine in Corvallis, Oregon. Qualified in 2005, 21 years ago. Practices with Good Samaritan Hospital Corvallis, a 375-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Oregon.

Years since qualifying
21
Licensed in
IL, OR
In the registry since
2008
Specialties on file
2
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

3600 NW Samaritan Dr
Corvallis, OR 97330-5472
Phone: (541) 768-5111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 890 Oak St Se, Salem, OR 97301-3905 — (503) 561-5200

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD176888 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125054001 (IL)

Record details

NPI number1336304773
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2008
Last updated in NPPESMay 17, 2022
Certification dateMay 17, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Good Samaritan Hospital Corvallis — 375 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Corvallis