Doctors Who Treat Unexplained Weight Loss in Portland, OR
Providers in Portland whose specialty's scope covers unexplained weight loss— ranked by profile completeness & registry tenure, notby quality, outcomes, or who is "best".
1,574 active providers with a practice address in Portland, Oregon have a primary specialty that treats unexplained weight loss. We assert that these specialties treat unexplained weight loss, not that any specific provider treats your case. Open any provider for their full profile, contact, and map.
Unexplained Weight Loss specialists in Portland
1,574 providers whose specialty treats unexplained weight loss practice in Portland. Compare the most complete records below, or filter the full list by name and nearby ZIP.
Compare providers in Portland →- 1
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 2
Family Medicine Physician · Portland, OR
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Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 4Brian LindemanM.D.
Family Medicine Physician · Portland, OR
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Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 6
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 7
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 8
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Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 10
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 11
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 12
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 13
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 14Timothy JanzenM.D.
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 15Robert MullenM.D.
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 16
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 17Ferhan NorthMD, PHD
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 18
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 19Sarah ZweberM.D.
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 20
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 21
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 22
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 23
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Internal Medicine Physician · Portland, OR
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Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 26
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 27Lori McmullanM.D.
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 28
Family Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 29
Internal Medicine Physician · Portland, OR
Street-level locationView full profile & map → - 30
These are active providers in Portland, Oregon whose primary NUCC specialty treats unexplained weight loss; it is not a list of providers confirmed to treat your specific case, and absence does not mean a provider does not treat it. Ordering reflects NPPES profile completeness and registry tenure — a transparency signal, not a quality, outcome, or "best" ranking. Condition-to-specialty mapping: MedlinePlus, NIH, ABMS. Source: CMS NPPES (June 2026); specialty taxonomy: NUCC.