Lawrence K Chan, M.D.
Gastroenterology Internal Medicine
Lawrence K Chan is a Gastroenterology Internal Medicine specialist based in Fairfield, CA with over 23 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Lawrence K Chan, M.D. in person in Fairfield or via virtual visit — no travel required. He graduated from Medical College of Wisconsin in 2003 and has 23+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
Older · 3958dNPPES updated 2015-07-22 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Generic Rx
↑ Higher = better75.4%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-7.4 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
803
Unique beneficiaries
High volumePrescription Recipients
532
Patients prescribed
Prescriptions Written
1,566
Total claims
Total Medicare drug cost: $1.58M
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 Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-1%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-4%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-3%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$454 received from industry
3 transactions 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 Lawrence K Chan's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2003
Medical College of Wisconsin
23 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
Medical College of Wisconsin (Class of 2003)
Mailing address
10470 Old Placerville Rd Suite 100, Sacramento, CA 95827-2539
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190125
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Lawrence K Chan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Lawrence K Chan for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Fairfield 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 Lawrence K Chan
NPI records show Dr. Chan as active with telehealth listed in Fairfield, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (707) 427-4900.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Lawrence K Chan
Practice Location
2702 Low Ct, Fairfield, CA 94534
Mailing Address
10470 Old Placerville Rd Suite 100, Sacramento, CA 95827-2539
This is a provider directory. Contact the office directly to schedule appointments.
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