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

Thomas B Knowles, MD

Individual provider Surgery Physician · NPI 1114337466

Thomas B Knowles, MD is a General Surgery in Portland, Oregon. Graduated from Creighton University School of Medicine in 2014, 12 years ago. Practices with Legacy Clinics LLC, a 718-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Oregon and Washington.

Years since qualifying
12
Trained at
Creighton University School of Medicine
Licensed in
OR, WA
In the registry since
2014
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

1130 NW 22nd Ave Ste 500
Portland, OR 97210-2976
Phone: (503) 413-5725
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1101 Madison St, Seattle, WA 98104-1347 — (206) 215-6800

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MD60946286 (WA)
Surgery Physician Taxonomy 208600000X · Licence MD198666 (OR)

Record details

NPI number1114337466
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 7, 2014
Last updated in NPPESAugust 27, 2020
Certification dateAugust 27, 2020
Mailing address1130 Nw 22nd Ave Ste 500, Portland, OR 97210-2976

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Legacy Clinics Llc — 718 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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