Timothy King Liem, MD
Timothy King Liem is a Vascular Surgery specialist based in Portland, OR with over 36 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Timothy King Liem, MD has been part of the Portland medical community since 2006 in group practice. Trained at University of Southern California Keck School of Medicine (class of 1990), he has been practicing for over 36 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
Older · 6887dNPPES updated 2007-07-16 · verify NPI on CMS · Verify license at Oregon Medical Board
Contact & Location
Practice Location
3181 Sw Sam Jackson Park Rd Division of Vascular Surgery, Op-11, Portland, OR 97239-3011
How Does This Doctor Compare?
MIPS Score
202371.93/100
Oregon avg: 89.5 · US avg: 83.6
⚠ Lower than most doctors nationally(-11.7 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better68.8%
Oregon avg: 83.7 · US avg: 82.8
⚠ Lower than most doctors nationally(-14 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
198
Unique beneficiaries
Standard volumePrescription Recipients
35
Patients prescribed
Prescriptions Written
80
Total claims
Total Medicare drug cost: $36k
Percentile rankings compared against 1,341 reporting peers in Oregon.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+1%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-11%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+5%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+1%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-4%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$168 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Timothy King Liem's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1990
Keck School of Medicine of Usc
36 years in practice
Senior practitioner
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Taxonomy: 2086S0129X
Education & Training
University of Southern California Keck School of Medicine (Class of 1990)
Mailing address
3181 Sw Sam Jackson Park Road Division of Vascular Surgery, Op-11, Portland, OR 97239-3098
Differs from practice location
Virtual Vascular Surgery Care With Timothy King Liem
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Timothy King Liem for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Portland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Timothy King Liem
Dr. Liem is listed as active in the NPI registry with telehealth listed in Portland, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 494-7593.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Timothy King Liem
Practice Location
3181 Sw Sam Jackson Park Rd Division of Vascular Surgery, Op-11, Portland, OR 97239-3011
Mailing Address
3181 Sw Sam Jackson Park Road Division of Vascular Surgery, Op-11, Portland, OR 97239-3098
This is a provider directory. Contact the office directly to schedule appointments.
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