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

Dr. Timothy S Elzinga, MD

Individual provider Family Medicine Physician · NPI 1841497211

Dr. Timothy S Elzinga, MD is a Family Practice in Portland, Oregon. Qualified in 2007, 19 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado, Michigan, Oregon and Washington.

Years since qualifying
19
Licensed in
CO, MI, OR, WA
In the registry since
2007
Specialties on file
4
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

3550 N Interstate Ave
Portland, OR 97227-1196
Phone: (800) 813-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 10350 E Dakota Ave, Denver, CO 80247-1314 — (303) 338-4545

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD156564 (OR)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD60137718 (WA)
Family Medicine Physician Taxonomy 207Q00000X · Licence TE090719 (MI)
Family Medicine Physician Taxonomy 207Q00000X · Licence DR.0067315 (CO)

Record details

NPI number1841497211
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESMay 4, 2022
Certification dateMay 4, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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