Paul T Liu, M.D.
Geriatric Medicine Internal Medicine
Paul T Liu is a Geriatric Medicine Internal Medicine specialist based in San Marino, CA with over 38 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: FAMILY PRACTICE, GERIATRIC MEDICINE
Paul T Liu, M.D. runs an independent geriatrician practice in San Marino, CA. He graduated from University of Southern California Keck School of Medicine in 1988 and has 38+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and mood disorders (per CMS claims data).
At a glance
- Prescribes opioids less than 54% of reporting doctors in California
- Uses generic medications more than 83% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 164dNPPES updated 2025-12-10 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
2233 Huntington Dr Ste 12, San Marino, CA 91108-2655
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better0.4%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-4.7 pts)
Typical range among reporting doctors in California0.4% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better93.1%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+10.3 pts)
Better than 83% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
140
Unique beneficiaries
Standard volumePrescription Recipients
285
Patients prescribed
Prescriptions Written
7,504
Total claims
Total Medicare drug cost: $385k
Percentile rankings compared against 9,360 reporting peers in California.
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 Mood Disorders.
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 (+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%↑ More patients than average (+32%) — a focus area for this doctor
A serious mental disorder affecting thinking, emotions, and behavior
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+22%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+20%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-2%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$11 received from industry
1 transaction reported in 2018 ·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 2018, attributed to Paul T Liu's NPI.
Social Vulnerability Index: 0.32 / 1.00
Below-average vulnerabilityHe practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.
Source: CDC/ATSDR Social Vulnerability Index.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1988
Keck School of Medicine of Usc
Board certified · Dec 9, 2025
Self-reported via NPPES
38 years in practice
Senior practitioner
Geriatricians specialize in healthcare for older adults, managing multiple chronic conditions, medication interactions, cognitive decline, falls prevention, and end-of-life care planning.
Taxonomy: 207RG0300X
Education & Training
University of Southern California Keck School of Medicine (Class of 1988)
Mailing address
925 S Garfield Ave, Alhambra, CA 91801-4442
Differs from practice location
Virtual Geriatric Medicine Care With Paul T Liu
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Paul T Liu for blood pressure monitoring, cholesterol management, mood disorder follow-ups — no travel to San Marino 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 Paul T Liu
NPI records show Dr. Liu as active with telehealth listed in San Marino, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 796-0821.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator · CDC SVI. See Data Methodology.
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Contact Paul T Liu
Practice Location
2233 Huntington Dr Ste 12, San Marino, CA 91108-2655
Mailing Address
925 S Garfield Ave, Alhambra, CA 91801-4442
This is a provider directory. Contact the office directly to schedule appointments.
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