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

Timothy King Liem, MD

Individual provider Vascular Surgery Physician · NPI 1790882561

Timothy King Liem, MD is a Vascular Surgery in Portland, Oregon. Graduated from University of Southern California Keck School of Medicine in 1990, 36 years ago. Practices with University Professional Services, a 1,704-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
36
Trained at
University of Southern California Keck School of Medicine
Licensed in
OR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3181 SW Sam Jackson Park Rd Division Of Vascular Surgery OP-11
Portland, OR 97239-3011
Phone: (503) 494-7593
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence MD22836 (OR)

Record details

NPI number1790882561
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 16, 2007
Mailing address3181 Sw Sam Jackson Park Road, Division Of Vascular Surgery, Op-11, Portland, OR 97239-3098

Medicare enrollment

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

Medicare specialtyVASCULAR SURGERY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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