Larry C Chan, D.O.

Interventional Cardiology Internal Medicine

Internal Medicine

Larry C Chan is an Interventional Cardiology Internal Medicine specialist based in Upland, CA with over 19 years of clinical experience. Offers virtual telehealth visits.

(909) 981-8383Upland, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Patients across CA can see Larry C Chan, D.O. in person in Upland or via virtual visit — no travel required. He has been practicing since 2010 — over 19 years. He regularly sees Medicare patients with hypertension, high cholesterol, and ischemic_heart (per CMS claims data).

1 of 271 Internal Medicine providers in CASee all Internal Medicine in Upland19+ years experienceNPI since 2010

Older · 1402dNPPES updated 2022-07-21 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

685 N 13th Ave Ste 9, Upland, CA 91786-4963

Fax: (909) 920-3054
Patient Condition Panel

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 Ischemic Heart Disease.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Ischemic Heart Disease
51%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Diabetes
48%

A condition where the body cannot properly regulate blood sugar levels

Arthritis
48%

Joint inflammation causing pain, swelling, and stiffness

Heart Failure
43%

The heart cannot pump blood efficiently enough to meet the body's needs

Chronic Kidney Disease
42%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Atrial Fibrillation
34%

An irregular, often rapid heartbeat that increases the risk of stroke

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 19 years in practice

    Experienced

Internal MedicineInterventional Cardiology in UplandAllopathic & Osteopathic Physicians

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Taxonomy: 207RI0011X

Virtual Interventional Cardiology Care With Larry C Chan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Larry C Chan for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Upland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Larry C Chan

Dr. Chan is listed as active in the NPI registry with telehealth listed in Upland, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (909) 981-8383.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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