James L Lin, MD
Gastroenterology Internal Medicine
James L Lin is a Gastroenterology Internal Medicine specialist based in Duarte, CA with over 24 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
James L Lin, MD has practiced internal medicine for 24+ years, working in group practice. He graduated from Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) in 2002 and has 24+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and cancer (per CMS data). CMS MIPS quality score: 99.13/100 (2023).
At a glance
- Uses generic medications more than 28% of reporting doctors in California
- Federal MIPS score higher than 89% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 2018dNPPES updated 2020-11-12 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
1500 Duarte Rd Division of Gastroenterology, City of Hope, Duarte, CA 91010-3012
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 89% of doctors in California on federal quality measures, favors affordable generic drugs over brand-name ones.
MIPS Score
202399.13/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+15.5 pts)
Better than 89% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better82.2%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-0.6 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
706
Unique beneficiaries
High volumePrescription Recipients
169
Patients prescribed
Prescriptions Written
297
Total claims
Total Medicare drug cost: $31k
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 Cancer.
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
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+27%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-5%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+8%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+3%) — a focus area for this doctor
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+10%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$2.6k received from industry
12 transactions reported in 2024 ·Moderate 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 James L Lin's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2002
Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Board certified · Nov 11, 2020
Self-reported via NPPES
24 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (Class of 2002)
Mailing address
Po Box 512185, Los Angeles, CA 90051-0185
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190300
View hospital on Medicare Care CompareVirtual Internal Medicine Care With James L Lin
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with James L Lin for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Duarte 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 James L Lin
NPI records show Dr. Lin as active with telehealth listed in Duarte, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (626) 256-4673.
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 James L Lin
Practice Location
1500 Duarte Rd Division of Gastroenterology, City of Hope, Duarte, CA 91010-3012
Mailing Address
Po Box 512185, Los Angeles, CA 90051-0185
This is a provider directory. Contact the office directly to schedule appointments.
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